Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e32ff2f7d17403…

MALICIOUS

PDF

44.4 KB Created: 2021-06-02 09:39:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-20
MD5: b19c32a4b452c93525cd8df065370b30 SHA-1: b29ce329dab9da917e49d5841ac1e64d033286aa SHA-256: d3e32ff2f7d1740363addae16b3e480b7a86ae2eb1b1e9d8d2a6cec3f9988c66
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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://netcdn.xyz/app/431946152/roblox-free-hair-boy-game-hack In PDF document text
    • http://bluediffusion.it/images/free-minecraft-capes_GM479516143.pdfIn PDF document text
    • http://bluediffusion.it/images/coin-master-game-free-spin_GM406889139.pdfIn PDF document text
    • http://bluediffusion.it/images/free-bobux_GM431946152.pdfIn PDF document text
    • http://bluediffusion.it/images/free-roblox-accounts-generator_GM431946152.pdfIn PDF document text
    • http://bluediffusion.it/images/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
    • http://bluediffusion.it/images/wurst-hacks_GM479516143.pdfIn PDF document text
    • http://bluediffusion.it/images/coin-master-heaven-links_GM406889139.pdfIn PDF document text
    • http://bluediffusion.it/images/how-do-you-earn-robux_GM431946152.pdfIn PDF document text
    • http://bluediffusion.it/images/wurst-client-18-9_GM479516143.pdfIn PDF document text
    • http://bluediffusion.it/images/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://bluediffusion.it/images/ear-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://bluediffusion.it/images/how-to-get-coin-master-card-free_GM406889139.pdfIn PDF document text
    • http://bluediffusion.it/images/mine-minecraft-games-for-free_GM479516143.pdfIn PDF document text
    • http://bluediffusion.it/images/how-to-make-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://bluediffusion.it/images/coin-master-100-free-spins-link_GM406889139.pdfIn PDF document text
    • http://bluediffusion.it/images/freerobuxhack-us_GM431946152.pdfIn PDF document text
    • http://bluediffusion.it/images/is-minecraft-bedrock-edition-free_GM479516143.pdfIn PDF document text
    • http://bluediffusion.it/images/robux-free-com_GM431946152.pdfIn PDF document text
    • http://bluediffusion.it/images/free-games-like-minecraft_GM479516143.pdfIn PDF document text
    • http://bluediffusion.it/images/where-can-i-get-free-spins-for-coin-master_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
stream_004_off00004dab.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4DAB 26024 bytes
SHA-256: 045ba0fff0e19bce1cb4f30dbb8c8267a509629ee9aaca90f8bc12da5742f34f
font_01_sfnt_off00008a66.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A66 18476 bytes
SHA-256: 3fabddb91e4eaecc087c17f99b1c80be23524e7eab6cbec0e1034232c0cbaaac

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