Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e73317faf84746…

MALICIOUS

PDF

36.0 KB Created: 2021-06-27 17:28:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-21
MD5: 00d410a6e288e488008e141596640f8c SHA-1: c0cdecda3cd7509499833d5d27e4e11d3c7e8996 SHA-256: d3e73317faf84746e192ee41cad574179e7717aafdd2a10fb17222b8248c8d78
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/youtube-roblox-jailbreak-hack-game-hack In PDF document text
    • https://www.colegiodearquitectoscdmx.org/wp-content/uploads/fsqm-files/www-roblox-com-free_GM431946152.pdfIn PDF document text
    • https://www.colegiodearquitectoscdmx.org/wp-content/uploads/fsqm-files/pastebincom-roblox-robux-hack_GM431946152.pdfIn PDF document text
    • https://www.colegiodearquitectoscdmx.org/wp-content/uploads/fsqm-files/www-roblox-com-sign-up-for-free_GM431946152.pdfIn PDF document text
    • https://www.colegiodearquitectoscdmx.org/wp-content/uploads/fsqm-files/roblox-sharkbite-sharkteeth-hack_GM431946152.pdfIn PDF document text
    • https://www.colegiodearquitectoscdmx.org/wp-content/uploads/fsqm-files/free-robux-hacl_GM431946152.pdfIn PDF document text
    • https://www.colegiodearquitectoscdmx.org/wp-content/uploads/fsqm-files/free-robux-generator-meme_GM431946152.pdfIn PDF document text
    • https://www.colegiodearquitectoscdmx.org/wp-content/uploads/fsqm-files/roblox-robux-generator-free-robux_GM431946152.pdfIn PDF document text
    • https://www.colegiodearquitectoscdmx.org/wp-content/uploads/fsqm-files/case-island-roblox-hack_GM431946152.pdfIn PDF document text
    • https://www.colegiodearquitectoscdmx.org/wp-content/uploads/fsqm-files/roblox-jailbreak-hack-injector_GM431946152.pdfIn PDF document text
    • https://www.colegiodearquitectoscdmx.org/wp-content/uploads/fsqm-files/coin-master-free-blogspot_GM406889139.pdfIn PDF document text
    • https://www.colegiodearquitectoscdmx.org/wp-content/uploads/fsqm-files/inject-hack-robux-2021_GM431946152.pdfIn PDF document text
    • https://www.colegiodearquitectoscdmx.org/wp-content/uploads/fsqm-files/how-to-download-roblox-on-computer-without-free-edoitor_GM431946152.pdfIn PDF document text
    • https://www.colegiodearquitectoscdmx.org/wp-content/uploads/fsqm-files/get-free-robux-live_GM431946152.pdfIn PDF document text
    • https://www.colegiodearquitectoscdmx.org/wp-content/uploads/fsqm-files/how-to-make-a-free-model-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.colegiodearquitectoscdmx.org/wp-content/uploads/fsqm-files/tiktok-viewer-free_GM835599320.pdfIn PDF document text
    • https://www.colegiodearquitectoscdmx.org/wp-content/uploads/fsqm-files/free-roblox-fortnite-gameplay_GM431946152.pdfIn PDF document text
    • https://www.colegiodearquitectoscdmx.org/wp-content/uploads/fsqm-files/how-to-hack-rich-old-roblox-accounts_GM431946152.pdfIn PDF document text
    • https://www.colegiodearquitectoscdmx.org/wp-content/uploads/fsqm-files/como-hackear-la-cuenta-de-alguien-en-roblox_GM431946152.pdfIn PDF document text
    • https://www.colegiodearquitectoscdmx.org/wp-content/uploads/fsqm-files/easy-way-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://www.colegiodearquitectoscdmx.org/wp-content/uploads/fsqm-files/tower-of-hell-roblox-hack-script_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_off00003460.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3460 22620 bytes
SHA-256: 63bd1989731be77e4c47658c48989ebd67029bd97dec4921380d63247c31fd88
font_01_sfnt_off000066d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66D1 19348 bytes
SHA-256: 59bf4b546e6d19811d3673d9b0e96f6abe454399cc13189af4de2010fadc6cc9

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