Malicious PDF — malware analysis report

Static analysis result for SHA-256 0aa8d67a7e6a871b…

MALICIOUS

PDF

36.4 KB Created: 2021-06-11 11:39:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 6a187d1551f83919e791542632b7f19c SHA-1: abfe4c1b64e0afa29a483237c4660a0eea8fb984 SHA-256: 0aa8d67a7e6a871be83b20bcde1e9f5c53786d3b62c8fee26ffd8801d6c83cc7
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 0.6055

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
  • 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://pistant.ru/pbw?utm_term=icloud+login+finder+download+free PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4455659/normal_6026c16a28c0a.pdfIn PDF document text
    • https://gawowulovo.weebly.com/uploads/1/3/5/9/135966180/6831264.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/63834ca3-9578-4c55-a094-effe3b6a598f/m11_ultraclave_automatic_sterilizer_user_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/edb9e62a-46In PDF document text

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