Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc9ea8b52e6ad569…

MALICIOUS

PDF

38.1 KB Created: 2021-05-22 01:15:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: e842b8deda467b6f37fd69697333c1fa SHA-1: 773316837a22bcbcfcf2290dd441d39a787437fb SHA-256: cc9ea8b52e6ad569bf94ddee926d3f4de5f789bcaefea58c96c7720d2a625c7b
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7010

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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-tiktok-fans-and-likes-game-hack PDF link annotation
    • http://www.maranata4x4.co.za/images/free-likes-on-tiktok-no-verification_GM835599320.pdfIn PDF document text
    • http://www.maranata4x4.co.za/images/how-to-get-robux-fast_GM431946152.pdfIn PDF document text
    • http://www.maranata4x4.co.za/images/avatar-the-last-airbender-roblox_GM431946152.pdfIn PDF document text
    • http://www.maranata4x4.co.za/images/best-site-for-free-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://www.maranata4x4.co.za/images/minecraft_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003267.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3267 24636 bytes
SHA-256: 11f745d9e0eac85add2cdd88c01c195f3e828b31a6405ba60cb29935272e7735
font_01_sfnt_off00006ae0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6AE0 2840 bytes
SHA-256: 0ff7203f6678b3ce5cadf82d8d4ab75daf80d11355a5b436446d16072593a6f7
font_02_sfnt_off0000749a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x749A 17856 bytes
SHA-256: 73670565195d1614abdebf4593265cc7a8d42409e9f7addc13b51e248eeb6564

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