Malicious PDF — malware analysis report

Static analysis result for SHA-256 6602e364f50af1e1…

MALICIOUS

PDF

35.9 KB Created: 2021-09-17 13:58:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-16
MD5: 9e445d6d72282e1627dfba4370c1c4a7 SHA-1: b366d069b09ed17a1828f3b1e88efac572a79b03 SHA-256: 6602e364f50af1e1ed6d9f432959602c70fa2ae65e85617dcc42999151ee173f
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, typical for phishing or malware distribution. It contains multiple unknown URLs that likely serve as the next stage of the attack. The ClamAV detection and ML classifier further support its malicious nature, indicating it's a phishing trojan.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7255

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://trompis-tondschungel.de/userfiles/file/12889223186.pdf In PDF document text
    • http://ud2-140.com/files/71272181541.pdfIn PDF document text
    • http://suliaox.com/v15/Upload/file/202199233779608.pdfIn PDF document text
    • http://ikkosushi.com/uploads/files/xopexebisuzefopogekaje.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=thankathinkal+malayalam+song+mp3PDF link annotation

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