Malicious PDF — malware analysis report

Static analysis result for SHA-256 849a1b263ecbfb68…

MALICIOUS

PDF

35.9 KB Created: 2021-06-14 13:49:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 019bd25c2df1c390f69ff2974154341b SHA-1: e018b5485bf59ec5ce513dde04fe12bcd7801d57 SHA-256: 849a1b263ecbfb6867594d45c574bdc882ad7425d09123aecc5db301b2c3899b
114 Risk Score

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 0.6203

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 35 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://archism.ru/pbw?utm_term=summarize+a+video+for+me PDF link annotation
    • https://uploads.strikIn PDF document text
    • https://uploads.strikinglycdn.com/files/ddc70fd5-6f35-4afc-9254-8bf4aa33b4ef/52805957940.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8f831643-ad96-4269-b11e-16a4ce11be7b/juligununus.pdfIn PDF document text