Malicious PDF — malware analysis report

Static analysis result for SHA-256 24ef34f8d8bb50b6…

MALICIOUS

PDF

15.8 KB Created: 2021-06-03 09:34:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: cae828287df854f25c32fbd57da59f96 SHA-1: a4c9f35b209b9bcdb1ebe1c69f5b4ba93b8ed2cf SHA-256: 24ef34f8d8bb50b69dc281fc883dc6e00737668596e4d90516bced05e96df869
74 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

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

Machine Learning

  • Nyx PDF Classifier malicious score 0.9966

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/431946152/how-to-hack-roblox-to-get-robux-game-hack PDF link annotation
    • http://hosoffices.com/ckfinder/userfiles/files/real-roblox_GM431946152.pdfIn PDF document text
    • http://hosoffices.com/ckfinder/userfiles/files/coin-master-links-for-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://hosoffices.com/ckfinder/userfiles/files/coin-master-free-spins-link-download_GM406889139.pdfIn PDF document text
    • http://hosoffices.com/ckfinder/userfiles/files/how-to-get-minecraft-windows-10-for-free-2021_GM479516143.pdfIn PDF document text
    • http://hosoffices.com/ckfinder/userfiles/files/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
    • http://hosoffices.com/ckfinder/userfiles/files/free-coins-app-for-coin-master_GM406889139.pdfIn PDF document text
    • http://hosoffices.com/ckfinder/userfiles/files/minecraft-fly-hack_GM479516143.pdfIn PDF document text
    • http://hosoffices.com/ckfinder/userfiles/files/free-spins-on-coin-master-cheat_GM406889139.pdfIn PDF document text
    • http://hosoffices.com/ckfinder/userfiles/files/how-to-get-free-robux-as-a-kid_GM431946152.pdfIn PDF document text
    • http://hosoffices.com/ckfinder/userfiles/files/free-robux-only-1-step_GM431946152.pdfIn PDF document text
    • http://hosoffices.com/ckfinder/userfiles/files/roblox-royale-high-diamond-hack_GM431946152.pdfIn PDF document text
    • http://hosoffices.com/ckfinder/userfiles/files/free-robux-card-codes_GM431946152.pdfIn PDF document text

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