Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c9915ce0808ebb5…

MALICIOUS

PDF

33.9 KB Created: 2021-05-22 06:36:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 4801cb2cc48389ab7d9ce30ae7664663 SHA-1: d9bcb9182ac6f40285ade91ed1566ede3346607b SHA-256: 9c9915ce0808ebb5ca5716a4765cb0364e5d4853e6a7742a1079016f5c17a5c6
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document presents a fake CAPTCHA and download lure to deceive the user into clicking a link. The embedded URLs and document body content strongly suggest a phishing attempt to trick users into downloading malicious files, likely related to game hacks or online service cheats. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9508

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://netcdn.xyz/app/835599320/free-views-tiktok-game-hack
    • http://apteka-ot-sklada.com.ua/images/roblox-hack-generator_GM431946152.pdf
    • http://apteka-ot-sklada.com.ua/images/free-robux-only-1-step_GM431946152.pdf
    • http://apteka-ot-sklada.com.ua/images/roblox-hack-app_GM431946152.pdf
    • http://apteka-ot-sklada.com.ua/images/robux-hack-free-robux_GM431946152.pdf
    • http://apteka-ot-sklada.com.ua/images/coin-master-hack-to-get-free-spins_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00002fe5.bin
0edea749630cc2f9e408fbf4d4d52e3cd02a1ef46e8a969c25bb4db5720f79d5		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2FE5 23332 bytes
font_01_sfnt_off0000649f.bin
ce4f969b492885a6292b68f2810015e61170a5a05df2656d5db0dd0870788c0b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x649F 17752 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.