Malicious PDF — malware analysis report

Static analysis result for SHA-256 e282730f1d25eab7…

MALICIOUS

PDF

111.5 KB Created: 2021-06-23 06:48:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-23
MD5: 0627e5650d12bd544f4f925dea3d8366 SHA-1: ff5c814d77e0d5582df54670385a124d19b305f7 SHA-256: e282730f1d25eab78e60c54efcb5dc585beed99d5603be18560881425cbb49a1
154 Risk Score

Malware Insights

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

This PDF file contains a link farm that directs users to multiple compromised websites. These sites host other PDF files, which are likely malicious. The ClamAV detection and ML classifier strongly indicate malicious intent, consistent with phishing or malware distribution campaigns.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8950

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 https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca5dd82dfc---pugulelevugevorenikekif.pdf In PDF document text
    • http://boxethai38.com/upload/file/44876480626.pdfIn PDF document text
    • https://bluetact.com/locktactyuma/userfiles/file/69840518808.pdfIn PDF document text
    • https://novahealthclinic.ca/userfiles/file/39433792597.pdfIn PDF document text
    • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16089e627639b2---77235045787.pdfIn PDF document text
    • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3ca92ac57---guleta.pdfIn PDF document text
    • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad728627f13---36293792420.pdfIn PDF document text
    • https://workinhotel.com/upload/fckfile/88025211148.pdfIn PDF document text
    • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16084f0b0eb40a---94587639775.pdfIn PDF document text
    • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a011107e49b---3809697414.pdfIn PDF document text
    • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160807e96dc5c4---vugimavoselajiselu.pdfIn PDF document text
    • http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/e61scpgerjoghoiljovlqoc6s3/pasilebexazilenozosi.pdfIn PDF document text
    • https://topclassgardening.nl/images/file/30458248537.pdfIn PDF document text
    • http://sunjewelsonline.com/userfiles/file/46869379494.pdfIn PDF document text
    • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/00bn4v2p2m79cuqs50for4r9b6/tepaxoferotulodudog.pdfIn PDF document text
    • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084aa192abff---47629343273.pdfIn PDF document text
    • http://bfr-bialapodlaska.pl/userfiles/file/47279274679.pdfIn PDF document text
    • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dbf0e23695---97295060318.pdfIn PDF document text
    • http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f071233d5---68498429335.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=highway+drainage+system+pdfPDF link annotation

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