Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb1eae93a6db12fa…

MALICIOUS

PDF

35.8 KB Created: 2021-05-22 08:40:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: ef894a572ed779b47cb636beeeab0f0b SHA-1: e7b0de3ee57a56858bd03163f6c5adf3168ea67d SHA-256: cb1eae93a6db12fa2d69ef4b03f8c350ccf257b60c2ef39afc631f8f42b77797
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to websites offering game hacks and generators, such as 'how-to-get-minecraft-pe-for-free-game-hack'. These links are designed to trick users into visiting potentially malicious sites. The document body also contains similar lures and directs users to click a 'CLICK HERE TO ACCESS MINECRAFT GENERATOR' button, further supporting the phishing and redirection attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/how-to-get-minecraft-pe-for-free-game-hack PDF link annotation
    • http://southernhills-golf.com/images/roblox-website-robux_GM431946152.pdfIn PDF document text
    • http://southernhills-golf.com/images/get-free-robux-now_GM431946152.pdfIn PDF document text
    • http://southernhills-golf.com/images/robux-free-promo-codes_GM431946152.pdfIn PDF document text
    • http://southernhills-golf.com/images/free-op-minecraft-servers_GM479516143.pdfIn PDF document text
    • http://southernhills-golf.com/images/free-robux-no-verification-no-download-2021_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
stream_002_off0000333e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x333E 25032 bytes
SHA-256: f5c8b3af5ad1d849eb3cc7fab4dca3f659f154c3032f6bf8e327a46ea4a2fd3a
font_01_sfnt_off00006b7f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B7F 18028 bytes
SHA-256: 3ed4cc32a3614fc42f77637b5226aac8e96d41a1bdab71d116d218547dfdfc35

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