Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6b3f77667b47c18…

MALICIOUS

PDF

36.8 KB Created: 2021-05-21 12:47:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c87d01e1a6c7eec4041ff07c4f3f8fb3 SHA-1: 5a525cbba7173ae3ed24dc9c623b37ffb4a70200 SHA-256: a6b3f77667b47c1827bf4976fb045484dba01691d1c6a4171abd2adec9cedd12
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links that redirect to malicious infrastructure, masquerading as free game hacks or generators. The document body explicitly mentions 'Free Minecraft Windows 10 Account' and 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', reinforcing the lure. The presence of malicious redirector links indicates an attempt to lead the user to a compromised site, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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/479516143/free-minecraft-windows-10-account-game-hack In PDF document text
    • http://alroglobal.com/images/free-exploits-for-roblox_GM431946152.pdfIn PDF document text
    • http://alroglobal.com/images/como-descargar-coin-master-hackeado_GM406889139.pdfIn PDF document text
    • http://alroglobal.com/images/play-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://alroglobal.com/images/free-minecraft-packs_GM479516143.pdfIn PDF document text
    • http://alroglobal.com/images/coin-master-free-spins-link-iphone_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
font_00_sfnt_off0000353c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x353C 25028 bytes
SHA-256: 3291e18c0fc45c1817171536899a7520e5b4ea863eab180b3bc9df63c54bb937
font_01_sfnt_off00006d4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D4E 18664 bytes
SHA-256: 0667defd5b981729aa81a804935fb7ded52a2ddc2e462daaea0df5db4134a477

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