Malicious PDF — malware analysis report

Static analysis result for SHA-256 393da9f6e7107ed6…

MALICIOUS

PDF

55.6 KB Created: 2021-05-11 03:13:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 74d35c99caeec3f0e6dccf52af4db97b SHA-1: 3e72ed7c3fe75b561bb60f423dbcca64b4c92600 SHA-256: 393da9f6e7107ed6a400f0a4d3750102f0675c46ae6e994212f68af4e513fd23
154 Risk Score

Malware Insights

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

The PDF contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute malicious files. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware distribution. The document body's garbled content and the presence of numerous links on potentially compromised hosting further support this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9558

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
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f866e8402c---8030592846.pdf
    • http://aprendanow.com/wp-content/plugins/super-forms/uploads/php/files/e774d836b50b1b4ec017357371f4a0f3/74861056840.pdf
    • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/9edd1968894d71330d44c89dea183db5/goxezibuzevopoginopita.pdf
    • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608db7f844161---28469695106.pdf
    • https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/pubu5342smktpbj9mrd8vtulgv/baxiguwisimaruladi.pdf
    • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/0524249c61b03bcc2d5808e6b7489bcf/pemetosob.pdf
    • http://bakoca.hu/files/file/40231074851.pdf
    • https://betalinktech.com/blmedia/file/29186851542.pdf
    • https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/r3usmggngp69icca2vp88t7vj6/zizawukixiraju.pdf
    • http://pnmanagementsolutions.in/uploads/xabuvojebemumewusap.pdf
    • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/20688ffcbdec2d3d93293abca73a693b/soxakif.pdf
    • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/l64b82e1clg4p6hiviflrc1k8a/fozufavikavoraxibegovemu.pdf
    • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608f5c70f367d---ronuzuperitadepanaj.pdf
    • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608dc9cb79f55---10948380970.pdf
    • http://www.trafikyaren.com/wp-content/plugins/super-forms/uploads/php/files/4djkpapihc70hr9bdnfnasmvs1/fasifowedibulugoripugoj.pdf
    • http://ankaser.com/userfiles/file/62934402525.pdf
    • https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/6070594090e28d2da593604c90b6c470/gijowepekoke.pdf
    • https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/2q009pg8u6i9jjrneeo1g59s9o/412177103.pdf
    • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/84057e42faaaf0a1797d318103923968/86283753265.pdf
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=my+talking+angela+apk+mod+android+1

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