Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5ad56aadd9daaec…

MALICIOUS

PDF

38.5 KB Created: 2021-05-21 18:09:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: e6d1a1dfc71e955013e8e307fa0e1794 SHA-1: 5423fba6e8b33f0df8a9416504373f18e32c7ec8 SHA-256: e5ad56aadd9daaecac2b55ff736830de769470b391ea95f8288d746761a251c4
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains multiple embedded URLs and a prominent call-to-action to download a 'Minecraft Pe Hack Client'. The heuristics indicate that the PDF links to a game hack redirector, and the ML classifier strongly flagged it as malicious. The document body text reinforces the lure by mentioning 'CLICK HERE TO ACCESS MINECRAFT GENERATOR'.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9476

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/minecraft-pe-hack-client-2021-game-hack PDF link annotation
    • https://www.stayon.no/images/redeem-roblox-card-free_GM431946152.pdfIn PDF document text
    • https://www.stayon.no/images/coin-master-free-spins-fb_GM406889139.pdfIn PDF document text
    • https://www.stayon.no/images/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
    • https://www.stayon.no/images/free-minecraft-servers-to-join_GM479516143.pdfIn PDF document text
    • https://www.stayon.no/images/coin-master-hack-tool-for-pc_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 30052 bytes
SHA-256: eea13c3b9c1d10ff21dc4eb9e5090462409076ee77894ed331fca1173128d2f8
font_01_sfnt_off0000754a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x754A 18368 bytes
SHA-256: 05934acc4f9034a42dafc019d556c1d73e3fafdeacb08f6b818498f717883fbf

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