Malicious PDF — malware analysis report

Static analysis result for SHA-256 214a2f3368277af5…

MALICIOUS

PDF

234.8 KB Created: 2021-06-23 07:03:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-23
MD5: 29cefabfe5947a075fcfefbfd271cb83 SHA-1: 3bc4c00bce14d11797fea7ac3b6c7cdfb2f82a99 SHA-256: 214a2f3368277af5bd5594edf62750f63f84e4f58f363518c234ae0a8e0dda27
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by multiple heuristics and ML classifiers as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous links pointing to compromised WordPress sites, suggesting an attempt to distribute further malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9870

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 https://synerhu.ru/uplcv?utm_term=raiders+of+the+fever+sea+pdf PDF link annotation
    • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a05fd183a06---dodekemeri.pdfIn PDF document text
    • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/mjn7dojc2nioiivkthd2kualek/toxaja.pdfIn PDF document text
    • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/6o52ha8l5glkicqi380bff9tip/pubebelakabevuvobelut.pdfIn PDF document text
    • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608888c27114e---pasitop.pdfIn PDF document text
    • http://harissarantis.com/userfiles/files/xamidizeziz.pdfIn PDF document text
    • https://an-professional.ru/img/files/file/99440122567.pdfIn PDF document text
    • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d19501b9ac---43190299919.pdfIn PDF document text
    • http://gptools.net/userfiles/file/razazexebovigakov.pdfIn PDF document text
    • https://www.tanyadantus.com/wp-content/plugins/super-forms/uploads/php/files/61bd303f3671bd243d329d6edb8ea210/22055350338.pdfIn PDF document text
    • https://soechi.id/userfiles/file/58474585749.pdfIn PDF document text
    • http://hillsdalehorseboarding.com/ckfinder/userfiles/files/72900566035.pdfIn PDF document text
    • https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/8af6fc452e57b6e36d478ae263e28a59/tugovurejupovivivutosab.pdfIn PDF document text
    • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/4noler6203hdp26vdqninjdita/nesifaluwiwij.pdfIn PDF document text
    • https://agronlogistics.com/userfiles/files/96142197503.pdfIn PDF document text
    • https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/297f1797f76269bcd119999b9c7f6d62/56227701861.pdfIn PDF document text

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