Malicious PDF — malware analysis report

Static analysis result for SHA-256 8574d18e76fb2f9f…

MALICIOUS

PDF

39.4 KB Created: 2021-04-29 08:01:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 8e16b8ca1b68a90533a8878f6a8cfc03 SHA-1: 24294d6e9464dd42f388a4b4988f9cb3a36840c0 SHA-256: 8574d18e76fb2f9f62c56e031924632d000b3ccfe63d5e476d1b896c15e223e9
74 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 3

  • 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.
  • 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/431946152/roblox-hack-download-windows-7-game-hack PDF link annotation
    • http://akigco.com/uploaded_files/userfiles/files/cheat-engine-god-mode-script-roblox.pdfIn PDF document text
    • http://akigco.com/uploaded_files/userfiles/files/roblox-hack-script-twisted-murderer.pdfIn PDF document text
    • http://akigco.com/uploaded_files/userfiles/files/roblox-restaurant-tycoon-diamond-hack-script.pdfIn PDF document text
    • http://akigco.com/uploaded_files/userfiles/files/aplicacion-para-hackear-roblox-i-tener-robux-infinitos.pdfIn PDF document text
    • http://akigco.com/uploaded_files/userfiles/files/how-to-get-free-robux-generator.pdfIn PDF document text
    • http://akigco.com/uploaded_files/userfiles/files/roblox-hacks-builders-club-free.pdfIn PDF document text
    • http://akigco.com/uploaded_files/userfiles/files/hacks-para-roblox-phantom-forces-2021.pdfIn PDF document text
    • http://akigco.com/uploaded_files/userfiles/files/roblox-gift-card-codes-hack.pdfIn PDF document text
    • http://akigco.com/uploaded_files/userfiles/files/mobile-hack-roblox-hack.pdfIn PDF document text
    • http://akigco.com/uploaded_files/userfiles/files/how-do-u-get-free-robux-for-roblox.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000465e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x465E 26024 bytes
SHA-256: 8dc863dbc5c5b6b3ac7eb3f839b5f6ab1098341ed16591e0752c0f6ed1844f08

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