Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2d9d42260cc6201…

MALICIOUS

PDF

42.5 KB Created: 2021-05-15 12:48:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: fcc431ab526892be17b6bc80373b07df SHA-1: c4816376bb7c770361a914e95edbaaacd787f07c SHA-256: e2d9d42260cc6201ac5efaaf9ad853522529c0428fd52886aab64543f14e40a9
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 0.9971

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/431946152/roblox-com-free-play-game-hack PDF link annotation
    • http://ims-77.fr/images/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://ims-77.fr/images/free-coin-master-cards_GM406889139.pdfIn PDF document text
    • http://ims-77.fr/images/free-robux-on-phone_GM431946152.pdfIn PDF document text
    • http://ims-77.fr/images/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://ims-77.fr/images/minecraft-windows-10-hacks_GM479516143.pdfIn PDF document text
    • http://ims-77.fr/images/how-to-hack-coin-master-game-without-root_GM406889139.pdfIn PDF document text
    • http://ims-77.fr/images/gold-cards-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://ims-77.fr/images/free-robux-accounts_GM431946152.pdfIn PDF document text
    • http://ims-77.fr/images/best-free-minecraft-texture-packs_GM479516143.pdfIn PDF document text
    • http://ims-77.fr/images/free-robux-images_GM431946152.pdfIn PDF document text
    • http://ims-77.fr/images/how-to-hack-someones-minecraft-account_GM479516143.pdfIn PDF document text
    • http://ims-77.fr/images/real-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://ims-77.fr/images/coin-master-attack-madness-hack_GM406889139.pdfIn PDF document text
    • http://ims-77.fr/images/free-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://ims-77.fr/images/e-free-roblox_GM431946152.pdfIn PDF document text
    • http://ims-77.fr/images/free-robux-games-that-actually-work_GM431946152.pdfIn PDF document text
    • http://ims-77.fr/images/how-to-get-minecoins-in-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://ims-77.fr/images/how-to-get-2021-robux-for-free_GM431946152.pdfIn PDF document text
    • http://ims-77.fr/images/free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://ims-77.fr/images/minecraft-windows-10-mod-menu_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000481c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x481C 25272 bytes
SHA-256: 1061cda90bccc76fb1ba5392190ee7f482862bcd1da86ce3cb701694919f2e21
font_01_sfnt_off00008252.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8252 18768 bytes
SHA-256: 7c9f64eaea5568b736ad355280abdaf35d8ff6f0dd4e48eccbcd06caf7914db9

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