Malicious PDF — malware analysis report

Static analysis result for SHA-256 aea8799e5587149b…

MALICIOUS

PDF

36.1 KB Created: 2021-05-21 15:31:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9ad30b895aeaacfa0987d2a8955369c5 SHA-1: 740de8c16aa03292678e340553df1c8c21d520ec SHA-256: aea8799e5587149b29ab7c2f63a64aa45a02687f59555bc8900fc712e727ecfa
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to external websites, including a primary link to a "free generator / game hack" site. The document's content and heuristics indicate a lure designed to trick users into clicking these links, likely leading to further malicious activity or unwanted content. While no scripts were explicitly extracted, the PDF structure and embedded links suggest a potential for malicious JavaScript execution or redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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/406889139/daily-coin-master-free-spin-link-game-hack In PDF document text
    • http://www.dciprotection.ca/images/update-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://www.dciprotection.ca/images/como-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://www.dciprotection.ca/images/minecraft-pe-free-ios_GM479516143.pdfIn PDF document text
    • http://www.dciprotection.ca/images/free-robux-generator-without-verification_GM431946152.pdfIn PDF document text
    • http://www.dciprotection.ca/images/minecraft-pe-015-0-apk-free-download_GM479516143.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_off0000334b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x334B 24956 bytes
SHA-256: 04c1dbf42753403be96b5f83f109ddc7c1cfe36aafc4c94f048d066bd355079c
font_01_sfnt_off00006b1d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B1D 18476 bytes
SHA-256: 0e8ff706f766ebeac8fd51df3b46864e48e50accc558ba14dc70aa8347bf43ac

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