Malicious PDF — malware analysis report

Static analysis result for SHA-256 e78f82a8c63a4ca6…

MALICIOUS

PDF

17.4 KB Created: 2021-07-20 08:47:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: d4a5bface068a3bd0e4c44a1ba164d0b SHA-1: 5131c248f4d0d3a30b5f24c520d0c21f5097ddcf SHA-256: e78f82a8c63a4ca6a348c420b0130a6c75c4b06164408b68b46f94be7fef3ca0
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 0.9930

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 http://netcdn.tw/app/431946152/free-robux-real-game-hack PDF link annotation
    • http://demenagementlandry.com/images/how-to-get-free-tiktok-coins_GM835599320.pdfIn PDF document text
    • http://demenagementlandry.com/images/how-do-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://demenagementlandry.com/images/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/get-free-tiktok-likes_GM835599320.pdfIn PDF document text
    • http://demenagementlandry.com/images/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/rblx-city-free-robux_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/get-minecraft-windows-10-free_GM479516143.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-minecraft-hosting_GM479516143.pdfIn PDF document text
    • http://demenagementlandry.com/images/freer-pro-tiktok_GM835599320.pdfIn PDF document text

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