CAD Reader-View & Measure DWG
Beijing Honghu Yuntu Technology Co., Ltd · Build 3.9.0
Static checks identify review items, not a guarantee of safety.
Overview
5 finding categories to review
CAD Reader-View & Measure DWG (com.glodon.drawingexplorer) scored grade A, 91 out of 100, in a static scan of version 3.9.0 on 2026-10-12. It has no high or critical findings, and 5 lower-severity finding categories across 5 occurrences. 16 tracking SDKs are present in the package, which describes what ships, not what runs or what it sends. This is static analysis of a single build: it does not observe the app running and does not establish that any data is exposed.
Start with these findings
mediumShort signing key (RSA 1024-bit)1 occurrence
Interpretation & review guidance
The signing key is shorter than the modern 2048-bit RSA minimum. Short keys are cryptographically weaker; a release should re-key to at least RSA-2048 (or an EC key).
- Evidence
- 1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
- Verification
- Static detection; current reachability is not established.
lowExported content provider without permission (third-party library artifact, shared across 232 unrelated developers)1 occurrence
Interpretation & review guidance
An exported content provider declares no permission. Other apps on the device may reach it — verify it enforces access control internally; this flags the attack surface, not a confirmed leak.
- Evidence
- 1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
- Verification
- Static detection; current reachability is not established.
lowFirebase Storage bucket reference1 occurrence
Interpretation & review guidance
A Firebase Cloud Storage bucket reference (the default <project>.appspot.com). Storing user files here is normal — it's only an exposure if the Storage security rules allow public read/list, which live verification tests.
- Evidence
- 1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
- Verification
- Static detection; current reachability is not established.
Build & components
49 components recorded. Certificate parsing does not validate APK signature integrity.
Inspect build evidence →Findings
5 categories · 5 occurrences. Severity totals describe categories. Expand a finding for interpretation and review guidance.
mediumShort signing key (RSA 1024-bit)1 occurrence
Interpretation & review guidance
The signing key is shorter than the modern 2048-bit RSA minimum. Short keys are cryptographically weaker; a release should re-key to at least RSA-2048 (or an EC key).
- Evidence
- 1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
- Verification
- Static detection; current reachability is not established.
Evidence preview
- Evidence type
- Signing metadata
- Representative location
META-INF/signing:key- Recorded match
RSA-1024- Detector rule
signing- Recorded file locations
META-INF/signing:key
1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.
Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.
Preview evidence and Pro toolsSearch recorded evidence and save private review notes with Pro. $99/month plus applicable tax.
lowExported content provider without permission (third-party library artifact, shared across 232 unrelated developers)1 occurrence
Interpretation & review guidance
An exported content provider declares no permission. Other apps on the device may reach it — verify it enforces access control internally; this flags the attack surface, not a confirmed leak.
- Evidence
- 1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
- Verification
- Static detection; current reachability is not established.
Evidence preview
- Evidence type
- Parsed app configuration
- Representative location
AndroidManifest.xml:ca.analytics.internal.PreloadInfoContentProvider- Recorded match
PreloadInfoContentProvider (exported, no permission)- Detector rule
manifest- Recorded file locations
AndroidManifest.xml:ca.analytics.internal.PreloadInfoContentProvider
1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.
Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.
Preview evidence and Pro toolsSearch recorded evidence and save private review notes with Pro. $99/month plus applicable tax.
lowFirebase Storage bucket reference1 occurrence
Interpretation & review guidance
A Firebase Cloud Storage bucket reference (the default <project>.appspot.com). Storing user files here is normal — it's only an exposure if the Storage security rules allow public read/list, which live verification tests.
- Evidence
- 1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
- Verification
- Static detection; current reachability is not established.
Evidence preview
- Evidence type
- Static string match
- Representative location
resources.arsc- Recorded match
Pattern recorded; identifying value redacted.- Detector rule
firebase_storage_bucket- Recorded file locations
resources.arsc
1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.
Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.
Preview evidence and Pro toolsSearch recorded evidence and save private review notes with Pro. $99/month plus applicable tax.
lowGoogle API key (client-shipped; restriction unverified)1 occurrence
Interpretation & review guidance
Android apps are designed to ship Google API keys in the client; Google restricts them by app signing certificate + enabled API. This is only a problem if the key is left unrestricted — presence alone is expected, not an exposure.
- Evidence
- 1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
- Verification
- Static detection; current reachability is not established.
Evidence preview
- Evidence type
- Static string match
- Representative location
resources.arsc- Recorded match
AIza•••••••• (21–40 chars, redacted)- Detector rule
google_api_key- Recorded file locations
resources.arsc
1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.
Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.
Preview evidence and Pro toolsSearch recorded evidence and save private review notes with Pro. $99/month plus applicable tax.
infoApplication data is backup-enabled1 occurrence
Interpretation & review guidance
The app allows Android backups (android:allowBackup="true"). App data can then be extracted via adb backup on many devices — a concern if the app stores tokens or personal/health/payment data locally. Common and low-severity, but worth disabling for sensitive apps.
- Evidence
- 1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
- Verification
- Static detection; current reachability is not established.
Evidence preview
- Evidence type
- Parsed app configuration
- Representative location
AndroidManifest.xml- Recorded match
android:allowBackup="true"- Detector rule
manifest- Recorded file locations
AndroidManifest.xml
1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.
Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.
Preview evidence and Pro toolsSearch recorded evidence and save private review notes with Pro. $99/month plus applicable tax.
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Privacy signals
Capabilities and bundled software do not prove that data was collected or transmitted.
Microphone Storage
Requested permission inventory (17)
Data collection & flow (privacy signal, not part of the grade)
- Persistent-identifier APIs referenced in code (Advertising ID (AAID), Android ID, Device ID / IMEI) with 14 analytics/ad SDK(s) present — the mechanism used for cross-app profiling.
- Microphone, Photos & files data requested with third-party analytics/ad SDKs present.
This maps what the app can access (permissions it requests, identifier APIs its code references) to the third parties bundled in it. It reflects capability and SDK presence — not proof that a specific value was transmitted.
Data Safety comparison not recorded.
Trackers & SDKs (16 detected · privacy signal, not part of the grade)
Build & components
Scanned build 3.9.0. Store metadata may describe a newer release.
67fb2580851f0d49508b70c054512eb6001a9e8c8fe920ad9ead1c81458bc76aSigning certificate (who signed this build — factual, not part of the grade)
78:db:9c:46:81:6a:bc:09:c2:46:0d:5e:53:eb:f1:10:c1:13:6e:bf:23:2b:34:1e:92:8f:87:be:c0:e4:3b:4cThe certificate fingerprint identifies the parsed signing certificate. Knowing this public fingerprint does not establish ownership or validate the APK signature.
Component inventory
49 components. Advisory matching covers a curated set; no match is not proof that a component is vulnerability-free.
| Component | Version | Advisory matches |
|---|---|---|
androidx.activity:activity | 1.9.2 | None recorded |
androidx.activity:activity-ktx | 1.9.2 | None recorded |
androidx.annotation:annotation-experimental | 1.4.1 | None recorded |
androidx.appcompat:appcompat | 1.7.1 | None recorded |
androidx.appcompat:appcompat-resources | 1.7.1 | None recorded |
androidx.biometric:biometric | 1.1.0 | None recorded |
androidx.browser:browser | 1.8.0 | None recorded |
androidx.core:core | 1.15.0 | None recorded |
androidx.core:core-ktx | 1.15.0 | None recorded |
androidx.credentials:credentials | 1.6.0 | None recorded |
androidx.credentials:credentials-play-services-auth | 1.6.0 | None recorded |
androidx.cursoradapter:cursoradapter | 1.0.0 | None recorded |
androidx.customview:customview | 1.0.0 | None recorded |
androidx.customview:customview-poolingcontainer | 1.0.0 | None recorded |
androidx.datastore:datastore | 1.0.0 | None recorded |
androidx.documentfile:documentfile | 1.0.0 | None recorded |
androidx.drawerlayout:drawerlayout | 1.0.0 | None recorded |
androidx.emoji2:emoji2 | 1.3.0 | None recorded |
androidx.emoji2:emoji2-views-helper | 1.3.0 | None recorded |
androidx.exifinterface:exifinterface | 1.3.3 | None recorded |
androidx.fragment:fragment | 1.5.7 | None recorded |
androidx.interpolator:interpolator | 1.0.0 | None recorded |
androidx.legacy:legacy-support-core-utils | 1.0.0 | None recorded |
androidx.lifecycle:lifecycle-extensions | 2.0.0 | None recorded |
androidx.loader:loader | 1.1.0 | None recorded |
androidx.localbroadcastmanager:localbroadcastmanager | 1.0.0 | None recorded |
androidx.print:print | 1.0.0 | None recorded |
androidx.privacysandbox.ads:ads-adservices | 1.0.0-beta05 | None recorded |
androidx.privacysandbox.ads:ads-adservices-java | 1.0.0-beta05 | None recorded |
androidx.profileinstaller:profileinstaller | 1.3.1 | None recorded |
androidx.recyclerview:recyclerview | 1.3.2 | None recorded |
androidx.room:room-runtime | 2.2.5 | None recorded |
androidx.savedstate:savedstate | 1.2.1 | None recorded |
androidx.savedstate:savedstate-ktx | 1.2.1 | None recorded |
androidx.sqlite:sqlite | 2.1.0 | None recorded |
androidx.sqlite:sqlite-framework | 2.1.0 | None recorded |
androidx.startup:startup-runtime | 1.1.1 | None recorded |
androidx.tracing:tracing | 1.2.0 | None recorded |
androidx.transition:transition | 1.4.1 | None recorded |
androidx.vectordrawable:vectordrawable | 1.1.0 | None recorded |
androidx.vectordrawable:vectordrawable-animated | 1.1.0 | None recorded |
androidx.versionedparcelable:versionedparcelable | 1.1.1 | None recorded |
androidx.viewpager2:viewpager2 | 1.1.0 | None recorded |
androidx.viewpager:viewpager | 1.0.0 | None recorded |
androidx.webkit:webkit | 1.14.0 | None recorded |
androidx.work:work-runtime | 2.7.0 | None recorded |
com.squareup.okhttp3:okhttp | 4.12.0 | None recorded |
kotlinx:coroutines_android | 1.9.0 | None recorded |
kotlinx:coroutines_core | 1.9.0 | None recorded |
About this app · store information
About this app
CAD software, compatible with DWG, DXF, PDF. Features viewing & measuring
Screenshots
Scan history
Each row is an observed scan. Gaps between scans do not establish how long a finding existed.
| Scanned (UTC) | Build | Score | Grade |
|---|---|---|---|
| 2026-10-12 12:57 UTC | 3.9.0 | 91 | A |
| 2026-10-05 12:54 UTC | 3.9.0 | 91 | A |
| 2026-09-28 12:50 UTC | 3.9.0 | 90 | A |
| 2026-09-15 15:08 UTC | 3.8.9 | 84 | B |
| 2026-09-07 16:02 UTC | 3.8.9 | 84 | B |
Export & share
Exports describe the recorded assessment. Signed evidence proves origin and integrity, not completeness or safety.
Coverage & gap matrix · Verify signed evidence
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