Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e9d0b2735379a8…

MALICIOUS

PDF

36.2 KB Created: 2021-06-18 03:49:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 6c1f2ca982d78c0227472b9bf31c4de6 SHA-1: 88047a094192c1ba3c109dc69894407e1620efe6 SHA-256: d3e9d0b2735379a8d983ab41fe76345320ab9ff8a8625e5f6a80833ced4bd0e7
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document employs a lure related to game hacks and free generators, as indicated by the document body and heuristic firings. It contains numerous embedded URLs pointing to external sites that are likely designed to host malicious payloads or phishing pages. The ML classifier strongly flagged this PDF as malicious, supporting the observed lure and redirection behavior.

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.co/app/431946152/roblox-exploit-super-nice-mml-hacks-game-hack PDF link annotation
    • http://perpus.i2s-learning.com//repository/hacks-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/minecraft-free-download-no-virus_GM479516143.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/monster-slaying-simulator-cheats-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/minecraft-games-free-download_GM479516143.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/how-to-hack-robux-with-cheat-engine-62_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/free-minecraft-account_GM479516143.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/roblox-free-boy-hair_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/master-coin-free-spin_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/free-roblox-clothes-templates_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/no-robux_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/how-to-make-a-anti-hack-script-on-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/free-robux-no-survey-or-human-verification_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/levvvel-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/minecraft-coins-free_GM479516143.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/coin-master-tricks-and-hacks_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/free-spin-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/comapp-trekfree-coin-spindaily-link-master_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/roblox-sword-fighting-tournament-points-hack-2021_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/free-coin-master-spins-daily_GM406889139.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_off0000349a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x349A 22564 bytes
SHA-256: 54fb8dfa7f97857dcedb6045973bd87f6537cf8d1aa4174e26e0910cecdcc88f
font_01_sfnt_off000066fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66FA 19652 bytes
SHA-256: 046f44cf52394b019293ec8faa11cf2a8defc7cb0619331edded53a5e3fe68e4

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