Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a628c114b3742b1…

MALICIOUS

PDF

35.6 KB Created: 2021-03-29 18:37:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 617688d11b6692c2827af71f5941b56a SHA-1: e66f0d6fdd30de51343067b55e81dcfc6de8e712 SHA-256: 3a628c114b3742b124e80a9f6c10a3acfdf64ae9a9e1bc610bfed5fb8d8cda38
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 0.7066

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 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://ponafet.ru/aws?utm_term=ancient+greek+art+lessons+ks2 PDF link annotation
    • https://s3.amazonaws.com/dewutexorob/android_update_for_asus_zenfone_5z.pdfIn PDF document text