Malicious PDF — malware analysis report

Static analysis result for SHA-256 1fcfea6143b39b79…

MALICIOUS

PDF

32.7 KB Created: 2021-06-26 13:58:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: f0f176bf24c78c64270ad3e823320cd8 SHA-1: dc1c9936c7a5008ca0466a8bb812e66b4f6cb801 SHA-256: 1fcfea6143b39b7963f06675ed472e356e56764cd3ada0503da0b45c37198fc8
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a prominent call-to-action related to game hacks and in-game currency, strongly suggesting a phishing or scam lure. The ML classifier also flagged this PDF as malicious. The primary lure directs users to 'http://netcdn.co/app/431946152/how-to-get-hacks-on-roblox-strucid-game-hack', which is likely part of a malicious redirect chain or a landing page for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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.co/app/431946152/how-to-get-hacks-on-roblox-strucid-game-hack PDF link annotation
    • http://parsbaft.com/images/how-to-hack-roblox-2021-april_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/dungeon-master-roblox-hack_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/free-superhero-roblox_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/roblox-speed-hack-tool_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/coin-master-generator-free_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/free-robux-server-discord_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/roblox-2021-hack_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/how-to-hack-coins-in-reson-to-die-roblox_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/bloxpage-free-robux_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/free-cafe-groups-roblox_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/descargar-coin-master-hackeado_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/free-roblox-gift-card-codes-live-now_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/how-to-hack-restuarant-tycoon-in-roblox_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/free-tiktok-likes-trial_GM835599320.pdfIn PDF document text
    • http://parsbaft.com/images/get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/how-to-get-free-robux-on-an-xbox-on_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/roblox-how-to-get-free-robux-without-hacks_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/free-tiktok-video_GM835599320.pdfIn PDF document text
    • http://parsbaft.com/images/get-free-item-in-roblox_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/hack-off-roblox_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_off0000296c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x296C 21884 bytes
SHA-256: 87b91b2be2ac5fbe9912a9ef06ee673121e6b6b66138076996bf6f28f6d03042
font_01_sfnt_off000059ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59ED 19356 bytes
SHA-256: c5006dcef8e88103c644b30d3270752730a0bce5ee505891d374574bf1f25ec8

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