Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6b2bb38c04f0be4…

MALICIOUS

PDF

35.1 KB Created: 2021-05-23 12:40:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 894b4d8e4e5f95157a4794e7e3a4cbf4 SHA-1: d9616462b2255dd84306e9b7e56985d06b5b14cf SHA-256: c6b2bb38c04f0be40979c559abbfb81c82f8207593ac9324355f064cdaee7fe6
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to redirectors disguised as 'free generator' or 'game hack' lures, aiming to trick users into visiting malicious websites. The document body and heuristics indicate a clear intent to redirect users to potentially harmful content, likely for further exploitation or malware delivery. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9508

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/835599320/how-to-get-free-tiktok-fans-game-hack In PDF document text
    • http://www.access-coiffure-tours.fr/images/coin-master-spin-hack-app_GM406889139.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/redeem-roblox-card-free_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/roblox-free-play-no-download_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/hack-free-spin-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_002_off0000316f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x316F 24496 bytes
SHA-256: 331eb39e11cb3e0ac859640348172933999b08b87e30ac1b45696e91ffde13f1
font_01_sfnt_off00006908.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6908 17848 bytes
SHA-256: a2af0e2105c7a8aa19b9291fb3a0139b13b39cb6820be81d8c7aa710ed8fb109

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