Malicious PDF — malware analysis report

Static analysis result for SHA-256 95e46aec71168c2a…

MALICIOUS

PDF

62.3 KB Created: 2021-09-18 17:24:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 10d2dec14482f34d07f7bd96a7806de5 SHA-1: 62950d61b4afd7268401c978fe2845208c05f8a1 SHA-256: 95e46aec71168c2a2286ba6cd86d6875b09e688cbf131f8648af24b895f640a7
124 Risk Score

Malware Insights

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

The PDF contains numerous embedded URLs, with the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicating a high density of links to potentially disposable hosting. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution by directing users to external sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7578

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://zenithmetals.com/files/nijunevivirapudoxo.pdf
    • http://yieldpharm.com/upload/files/zaroruwudoxof.pdf
    • http://phuwangnam.com/user_file/file/rurubanigofifor.pdf
    • http://cahayamimpi1.com/contents/files/75500528694.pdf
    • http://punaide.com/userfiles/files/24719541223.pdf
    • http://innotec-industrie.be/userfiles/file/65702073613.pdf
    • https://www.tahitotfalu.hu/ckfinder/userfiles/files/21793067857.pdf
    • https://drhuanghair.com/uploads/files/202109021214103198.pdf
    • http://ajtoablakcentrum.com/_user/file/bejabapadede.pdf
    • http://x04ydivan.ru/userfiles/file/dasibukesisazagozifow.pdf
    • http://b-solutions.net/userfiles/file/tuwudolesojodapesesu.pdf
    • https://unchiulmihai.ro/files/fckeditor/file/fewopavenizovubunoka.pdf
    • https://legouic-peinture.fr/userfiles/file/vavaxuranujajudu.pdf
    • https://armagedonspedycja.pl/files/file/robobebu.pdf
    • http://electronicaindex.nl/images/uploads/42328106723.pdf
    • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/161444b80f38b8---28631597338.pdf
    • http://milkyway-vn.com/upload/files/dexunubavakalajomonu.pdf
    • http://helenhotel.vn/upload/files/guvavujigemojifajux.pdf
    • http://vouchertiket.com/airplane/ckeditor/uploads/files/11183148154.pdf
    • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=smashtastic+cricket+mod+apk

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