Malicious PDF — malware analysis report

Static analysis result for SHA-256 2de26746e947132d…

MALICIOUS

PDF

44.8 KB Created: 2021-06-09 16:03:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: fa321bf504236693a26e73b1fa544116 SHA-1: 4c36257a997819461a9df7e7be4dbc7db85f9c3f SHA-256: 2de26746e947132da7a69c0a1a010ffce01ad718b5bcda27a0b6b5e572b4e590
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to external websites that offer game hacks and generators, specifically mentioning 'Roblox Aimbot Hack 2021'. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URLs further supports a malicious intent to redirect users to potentially harmful content. No scripts were extracted, but the document's structure and embedded links indicate a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.tw/app/431946152/roblox-aimbot-hack-2021-game-hack PDF link annotation
    • http://www.pspmrsmmbk.com/cendana//repository/how-to-get-roblox-premium-for-free-2021_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/como-hackear-vehicle-simulator-roblox_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/coin-master-hack-no-verification-ios_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/coin-master-hacks-and-cheats_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/robux-website_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/spin-free-coin-master_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/was-minecraft-ever-free_GM479516143.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/coin-master-free-online_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/robux-free-gift-card_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/free-coins-and-spins-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/hack-version-coin-master-apk_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/minecraft-gun-games-free_GM479516143.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/coin-master-free-spins-haktuts_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/hacks-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/coin-master-hack-spins-app_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/mobihack-roblox-hack_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/androeed-ru-minecraft_GM479516143.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/free-coin-master-spins-and-coins-for-daily_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/minecraft-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_004_off00004d57.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4D57 26636 bytes
SHA-256: 59735a53a634aa8e41cbcd81a15f0d816b3bfdd478f57ac1f6e54e487ed8133a
font_01_sfnt_off00008a27.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A27 19068 bytes
SHA-256: ded2bcd2dada8a5975eaa4cefb02d376e8585fd75781888c719c5bc00fd0a6a7

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