Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dda8091d22ca165…

MALICIOUS

PDF

42.0 KB Created: 2021-04-23 10:24:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-26
MD5: ceaf3a1d25bbd3accbb48063f059fae9 SHA-1: 27411010879ea323680d19e38f07634675ea7531 SHA-256: 3dda8091d22ca1659cfd09ec4b52a30ad82b70ce9464536bc59513c9e95d2b63
102 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • 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 https://netsecure.top/app/431946152/how-long-does-it-take-to-hack-roblox-robux-game-hack PDF link annotation
    • http://gamardelli.com.br/images/ckfinder/files/how-to-get-free-robux-2021-legit-working-100.pdfIn PDF document text
    • http://gamardelli.com.br/images/ckfinder/files/script-for-have-gamepass-free-roblox.pdfIn PDF document text
    • http://gamardelli.com.br/images/ckfinder/files/furk-roblox-hack.pdfIn PDF document text
    • http://gamardelli.com.br/images/ckfinder/files/free-robux-gift-card-codes-2021-on-images.pdfIn PDF document text
    • http://gamardelli.com.br/images/ckfinder/files/roblox-hacker-1x1x1x1.pdfIn PDF document text
    • http://gamardelli.com.br/images/ckfinder/files/free-roblox-outfits-boys.pdfIn PDF document text
    • http://gamardelli.com.br/images/ckfinder/files/rise-of-nations-hack-roblox.pdfIn PDF document text
    • http://gamardelli.com.br/images/ckfinder/files/como-hackear-juegos-de-roblox-2021.pdfIn PDF document text
    • http://gamardelli.com.br/images/ckfinder/files/get-wall-hacks-in-roblox.pdfIn PDF document text
    • http://gamardelli.com.br/images/ckfinder/files/necklace-roblox-free-shipping.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
stream_003_off00004409.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4409 27084 bytes
SHA-256: f6fa713bc4e6ebca376ffe3cf424c8d17e950b61dec80c8c769ffc02146b4072
font_01_sfnt_off00008004.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8004 19044 bytes
SHA-256: dfa8e4aa4ed995e2c9be2c90c771eddeca19d6f4d9b792e7408b0ba0a29552fd

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