Malicious PDF — malware analysis report

Static analysis result for SHA-256 262ee96f2a47fe33…

MALICIOUS

PDF

85.9 KB Created: 2021-06-19 00:57:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-12
MD5: 14d80578ef041472e0a8f48e0218972a SHA-1: 92fa067a940ff3971e3b5d2e442931ded7402d2e SHA-256: 262ee96f2a47fe33c4975ccb924d4ab56426a9bb0b13b907314fed1d946dfc63
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as a malicious PDF by ClamAV, specifically a phishing trojan. It contains multiple embedded URLs pointing to compromised WordPress sites, which likely serve as a lure for users to download further malicious content. The presence of these links suggests an attempt to distribute malware or phish for credentials.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3851

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • 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://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a25392f310c---pibilikorakifep.pdf In PDF document text
    • https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5d4c2ded7f70d26b6b0718b917e54a10/mavijezuxezuwabopesuvut.pdfIn PDF document text
    • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609431f256b2f---dapaluximezed.pdfIn PDF document text
    • https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16090810ccbfa3---72255146199.pdfIn PDF document text
    • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c57ce64071a---13528423831.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=caged+bird+read+by+maya+angelouPDF link annotation

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