Malicious PDF — malware analysis report

Static analysis result for SHA-256 909692daf6e49fa2…

MALICIOUS

PDF

207.5 KB Created: 2021-06-25 06:56:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11
MD5: 19fec3c22d30cfc7e4cc778fa1f6b973 SHA-1: 55ac7734772684d6c87e37cab45fdd11a6ac503b SHA-256: 909692daf6e49fa29ebb0ff1381f546887dc3fcefeba98603069e32796c44e2a
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains multiple external URIs, suggesting it is designed to redirect users to compromised websites or download further malicious content. The presence of embedded URLs and the nature of the heuristic firings point towards a phishing or malware distribution scheme, likely initiated via spearphishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9624

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
  • 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://garglob.ru/uplcv?utm_term=zoll+r+series+service+manual PDF link annotation
    • https://soechi.com/userfiles/file/26504634080.pdfIn PDF document text
    • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/6odpume0ocj7g6elkbtt0h1aaa/4753834249.pdfIn PDF document text
    • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb77870dc0---70368325605.pdfIn PDF document text
    • https://alshamiltrading.com/alshamilfiles/file/54200966143.pdfIn PDF document text
    • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/951c6b1387d4c97c941f910aa4b6850e/lisaba.pdfIn PDF document text
    • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607777215c93d---58962420692.pdfIn PDF document text
    • http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1607b62d6ec2fe---75457909141.pdfIn PDF document text
    • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097b3a545a41---lomapowupa.pdfIn PDF document text
    • https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/s6qqp1n3lh8d8ecnilbr0023i1/69060921486.pdfIn PDF document text
    • http://interwork.sk/userfiles/file/xegobulikedijeto.pdfIn PDF document text
    • http://www.urbanwaterways.info/files/bixojigedexop.pdfIn PDF document text
    • https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/cca0b5cc2e3c0829b57997296c03d749/59470561692.pdfIn PDF document text
    • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/79b83d983d8f19fabb4d8f7eecc0735f/767578991.pdfIn PDF document text
    • http://bio86.fr/fichiers/87169351384.pdfIn PDF document text

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