Malicious PDF — malware analysis report

Static analysis result for SHA-256 e364b466e1886cfa…

MALICIOUS

PDF

37.6 KB Created: 2021-09-13 15:57:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 10f42e3accde52160403d977e3a406c4 SHA-1: a5c8159c323d2fd6e7fd3404fa469dafb64b2509 SHA-256: e364b466e1886cfa52997233ed6a93fc49f5b509e90580cfa43bc621ecb89e16
144 Risk Score

Malware Insights

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

The PDF is identified as a phishing lure due to its image-heavy nature and embedded clickable link. The heuristic 'PDF_IMAGE_LURE' indicates it's designed to trick users into clicking an external URL. Several unknown reputation URLs were extracted, suggesting a potential download or redirection chain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 37 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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 http://kortennis.co.kr/B/ck/ckfinder/userfiles/files/mopikinixa.pdf
    • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135ceb24dbcc---zapisedufetidopagedezofo.pdf
    • https://webrekruit.com/php_codes/Scott/VieauAssociates/code/userfiles/file/88826290535.pdf
    • https://emotionalgift.com/ckfinder/userfiles/files/mixomedetutasexufamanon.pdf
    • https://total-sport.pl/img/upload/files/dakugirewenag.pdf
    • http://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/dufebowitizirodix.pdf
    • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/rkk3502gm64ghj691n0v62l8p2/kiraveke.pdf
    • http://evaemlak.com/userfiles/file///36772335254.pdf
    • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/df650d0d747cecf3d7e4ae70ab2b6238/32369186431.pdf
    • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=modern+warship+android

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