Malicious PDF — malware analysis report

Static analysis result for SHA-256 a213d708bb4b804e…

MALICIOUS

PDF

36.7 KB Created: 2021-04-06 11:39:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 3adebc3b1837658ffe262b1258a270e2 SHA-1: 81780892e563cfae6bf11672e56050350c4b0b40 SHA-256: a213d708bb4b804ec9183389efab814db124ff4eeb529319eccfd470737d129d
114 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6183

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
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 36 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://golowaki.ru/award?keyword=adcirca+package+insert+pdf PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4416928/normal_60009f4672f36.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4423166/normal_5fccbd23e5727.pdfIn PDF document text
    • https://bukodagunotul.weebly.com/uploads/1/3/4/0/134012399/3401480.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379221/normal_604c9bcd0676a.pdfIn PDF document text
    • https://satizivuzaked.weebly.com/uploads/1/3/4/3/134383512/2926421.pdfIn PDF document text
    • https://s3.amazonaws.com/tixedujegibex/30462732075.pdfIn PDF document text
    • https://s3.amazonaws.com/xakajoziwibi/what_are_fodmap_foods_to_avoid.pdfIn PDF document text

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