Malicious PDF — malware analysis report

Static analysis result for SHA-256 077fd104f92083ab…

MALICIOUS

PDF

36.1 KB Created: 2021-09-27 23:32:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-24
MD5: b8932d86f7cf04db43201036f4576ba3 SHA-1: 66b1ef36dc278f75f35e85bedd186de5e20413f7 SHA-256: 077fd104f92083abc1521f81903d2a08f60d8522bcc24151b720120108891ca5
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file is identified as malicious by ClamAV and an ML classifier. It employs a common phishing tactic by presenting an image-based lure, suggesting the user must click to view content. The PDF contains embedded URLs that likely lead to further malicious content or phishing pages. No scripts were extracted, but the overall structure and heuristic firings point to a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7170

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://verticala.ro/images/userfiles/beboxesuriga.pdf In PDF document text
    • http://palami.by/images/file/12688144339.pdfIn PDF document text
    • https://pepinieramontana.ro/ckfinder/userfiles/files/62889051474.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=colors+tamil+tv+serial+list+today+with+timePDF link annotation

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