Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d101b9e344d213c…

MALICIOUS

PDF

15.0 KB Created: 2021-06-03 22:13:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: a267f37238141d584ce4a09bb668f679 SHA-1: 97574663c733a5d56bf7ecca7f990bc93216a5ab SHA-256: 8d101b9e344d213c1d13f0bd19963b3dd82c1dca0907c1fc4ca500c0edfd4a54
74 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a high-confidence heuristic indicating it links to a game hack lure. The embedded URL, https://netcdn.online/app/406889139/coin-master-heaven-links-free-spins-game-hack, likely serves as a redirector to a malicious site. While no scripts were directly extracted, the PDF structure and the nature of the lure suggest an attempt to trick users into visiting a potentially harmful website.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9938

Heuristics 3

  • 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.
  • 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.online/app/406889139/coin-master-heaven-links-free-spins-game-hack PDF link annotation
    • http://www.js100.com/uploads/ckeditor/files/roblox-help-free-robux_GM431946152.pdfIn PDF document text
    • http://www.js100.com/uploads/ckeditor/files/how-to-get-free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://www.js100.com/uploads/ckeditor/files/minecraft-ps3-free-download_GM479516143.pdfIn PDF document text
    • http://www.js100.com/uploads/ckeditor/files/free-robux-giveaway_GM431946152.pdfIn PDF document text
    • http://www.js100.com/uploads/ckeditor/files/free-minecraft-server-hosting-with-plugins_GM479516143.pdfIn PDF document text
    • http://www.js100.com/uploads/ckeditor/files/how-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.js100.com/uploads/ckeditor/files/free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.js100.com/uploads/ckeditor/files/coin-master-free-spin-and-trading_GM406889139.pdfIn PDF document text
    • http://www.js100.com/uploads/ckeditor/files/robux-2021_GM431946152.pdfIn PDF document text
    • http://www.js100.com/uploads/ckeditor/files/free-headless-head-roblox_GM431946152.pdfIn PDF document text

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