Malicious PDF — malware analysis report

Static analysis result for SHA-256 bbaf6c8c4848f210…

MALICIOUS

PDF

12.4 KB Created: 2021-07-05 17:16:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: d99ee3a43a6a0c9347d8bf43257a63fd SHA-1: 31549df159a21f6336ee9bcbe72a6217fbf7e953 SHA-256: bbaf6c8c4848f21031ee2c591fe905be569d4b8e90a1ec70683b8de45725d77d
74 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a link disguised as a 'game hack' generator, which is a common lure for phishing or malware distribution. The ML classifier strongly flagged this PDF as malicious. The primary IOC is the redirector URL, which likely leads to a malicious site or payload download. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9842

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/479516143/worst-client-game-hack PDF link annotation
    • http://lib.fisipumt.ac.id/repository/free-robux-20210_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/pokemon-go-free-qr-code_GM1094591345.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/roblox-dayz-cheat-code_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/how-to-get-free-robux-no-human-verification-20212021_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/how-to-hack-roblox-on-mobile_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-free-spins-ios_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/free-coin-master-spins-link_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-free-spins-without-human-verification_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/bleu-download-roblox-free_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/apocalypse-rising-roblox-hack-25-fvrier-2021_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-minecraft-account-and-password-2021_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/roblox-free-online-play-now_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/how-to-get-hacks-for-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/robux-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-spins-and-coins-coin-master-links_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-spins-coin-master-no-human-verification_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-spin-hack-no-human-verification_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/how-to-get-free-roblox-glitch_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/how-to-hack-and-get-robux-2021_GM431946152.pdfIn PDF document text

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