Malicious PDF — malware analysis report

Static analysis result for SHA-256 7911e0b509846664…

MALICIOUS

PDF

33.6 KB Created: 2021-07-04 02:25:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 7f7d2155f1339820a564edef33ec73bd SHA-1: ce0c49ee7799cfa4cead9347e3b74d83e28a1526 SHA-256: 7911e0b50984666499cf0efe4113fa2bfb302d637c3719679187b3c4dd170bb1
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a high-confidence heuristic firing for a game hack lure, directing users to a suspicious URL. The document body and embedded URLs reinforce this lure, suggesting an attempt to trick users into visiting a site that likely hosts malware or exploits. No scripts were extracted, but the overall pattern indicates a social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/431946152/best-roblox-hacks-game-hack PDF link annotation
    • https://digilib.stieama.ac.id/repository/minecraft-bedrock-client_GM479516143.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/minecraft-xbox-one-edition-digital-code-free_GM479516143.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/how-to-get-minecraft-for-free-on-computer_GM479516143.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/flip-master-coins-hack_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/10000-robux-free_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/game-on-roblox-free-items-on-the-catalog-no-hack_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/best-free-games-to-play-on-roblox_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/roblox-hack-ga_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/free-robux-io_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/script-hack-roblox-phantom-forces-2021_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/roblox-om-nom-dimulator-hack_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/freerobuxhack-us_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/roblox-zombie-rush-cheats_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/free-spins-generated-from-coin-master_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/como-tener-anti-gravedad-en-roblox-hack-check-cashed_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/roblox-army-free-robux_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/coin-master-cheats-and-hacks_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/roblox-jailbreak-hack-bypassed_GM431946152.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
font_00_sfnt_off00002e73.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E73 21848 bytes
SHA-256: 5ab894b20bf56b46bd5f07da1229f92cc246f4967754f782c0c62c597ad5ffda
font_01_sfnt_off00005eb0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EB0 18760 bytes
SHA-256: e14aca0229ecc4e5c80b50bf306c735d86496ae3d09c438880efd707b555ae7f

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