Malicious PDF — malware analysis report

Static analysis result for SHA-256 49c3ec2a2b6c36f5…

MALICIOUS

PDF

32.9 KB Created: 2021-07-03 21:25:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 17a6a309688ef5fb7f9f87ff183d4a1f SHA-1: 813495778c2a87cd689af4ac8c54224bbac1acf6 SHA-256: 49c3ec2a2b6c36f57954e9b2cf30c1e0e1cc6532b2bd2c433c4d69e3491f4bc7
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 0.9980

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/479516143/minecraft-launcher-free-game-hack PDF link annotation
    • http://perpus-baitulhikmah.esy.es/akasia/repository/adopt-me-roblox-money-hacks_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/robux-free-com_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/heroes-online-roblox-hack_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/earn-free-robux-scam-sites_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/free-spins-coins-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/ways-to-earn-robux-for-free_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/free-spins-coin-master-links_GM406889139.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/roblox-how-to-get-free-bc-no-scam_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/free-roblox-jazwares-codes_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/how-to-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/free-robux-scams_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/roblox-easy-tix-cheat_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/free-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/minecraft-18-9-hacked-client_GM479516143.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/free-card-collection-in-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/roblox-assassin-hacks_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/hack-someone-roblox-for-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/group-roblox-free_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/noclip-hack-roblox-jaibreak_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_off00002e87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E87 21860 bytes
SHA-256: f08c5b3b6cc6d2ab66b73e9e1dbe654ed314acc6ada65c93923e50ce8e95337b
font_01_sfnt_off00005e7e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E7E 18164 bytes
SHA-256: 6217c2688e2cdd9b922ed2b0e9f3b2fc7a8795a9dac31b3127849cac571971e9

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