Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d74498da7470367…

MALICIOUS

PDF

33.8 KB Created: 2021-07-09 10:41:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 19d425af15eb0e62b5d3acb00f602685 SHA-1: d74a4d36496b47f3688c043e011533cc676571e4 SHA-256: 0d74498da747036715dcf49a23cac7f41b05465fbdf04e0991087bd217188f42
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/431946152/robux-fun-hack-game-hack PDF link annotation
    • http://wadimor.co.id/media/imagesfiles/minecraft-java-edition-for-free_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/roblox-free-roblox-toy-codes_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/hacks-to-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/free-robux-and-builders-club_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-to-get-free-stuff-on-roblox-catalog-on-phone_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/rbx-hut_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-to-earn-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/can-cheat-engine-execute-lua-c-on-roblox_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/roblox-hack-inspect-element_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/free-spins-coin-master-blogspot_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/aternos-free-minecraft-server_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-to-play-coin-master_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/coin-master-deals_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/free-admin-roblox-download_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-to-protect-speed-hacking-from-games-roblox_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/cheats-and-codes-for-snow-shoveling-simulator-roblox-pc_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/coin-master-free-link-blogspot_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_off00002e1c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E1C 22316 bytes
SHA-256: 996ad4985836b105efb61483055cc6f7afe4100faf93505bd58d8a05e81f4fa4
font_01_sfnt_off00005fbf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FBF 18884 bytes
SHA-256: c1015eee087a13dc62c4aba5d792f044bb527228a7c6867863e8b6cb34361f4d

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