Javelin3 PDF reader
Javelin3 Secure PDF (DRMZ) file Reader and Annotator
Drumlin Security Ltd · com.drumlinsecurity.javelin3
- Signature matches the Google Play version Details
At a glance
- Latest version
- v3.00.99 (30099)
- Updated
- Feb 26, 2026 (7 months ago)
- APK size
- 19.9 MB
- Requires
- Android 5.0+ (API 21)
- CPU support
- x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
- Category
- Business (app)
- Listed since
- May 13, 2021 (at least)
- Permissions
- 7 (4 sensitive)
- Website
- drumlinsecurity.com
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Javelin3 PDF reader is an app by Drumlin Security Ltd in the Business category, listed since at least May 2021. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.
Since version 3.00.96, the APK grew from 16 MB to 19.9 MB. It asks for 7 permissions, 4 of them sensitive, including read phone status and identity, access all files and read shared storage. It asks for the same permissions as version 3.00.98.
What's new in v3.00.99
Description
From the listing uploaded by “appupdater”.
Version history
3 versions are listed, going back to v3.00.96.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Feb 26, 2026.
- Certificate issued to “caldera” This is the certificate of the Google Play version.
- Same certificate as the 2 other versions checked
Store checks and file details
- Developer signature verified Feb 26, 2026
- Validated against Google Play Feb 26, 2026
- Signed byCN=harry radonic, OU=caldera, O=caldera, L=zagreb, ST=zagreb, C=385
- Signing certificate (SHA-1)D0:0D:4A:14:64:38:61:C6:7E:3A:DF:EA:98:69:6A:60:A5:8F:F9:C4
- File MD52e7a35ab89b5b1c50ba3f4f049be4d42
- Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (7)
Javelin3 PDF reader requests 7 permissions, 4 of them sensitive.
- Access all files Sensitive android.permission.MANAGE_EXTERNAL_STORAGE
- Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
- Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
- Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
- Full network access android.permission.INTERNET
- Internal broadcast protection (app-defined) com.drumlinsecurity.javelin3.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
Javelin3 PDF reader APK: questions and answers
Can I install this APK over the version I already have?
Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.
Is the Javelin3 PDF reader APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 2e7a35ab89b5b1c50ba3f4f049be4d42.
