Malicious PDF — malware analysis report

Static analysis result for SHA-256 465ca3a9ee57019e…

MALICIOUS

PDF

36.6 KB Created: 2020-11-13 08:36:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 322b9dffbdc2458017dfbafffb288e01 SHA-1: f6a950b8d9febb19b71dedad37b4883bf274e35d SHA-256: 465ca3a9ee57019ec4d501beab9e3cd14e829cd03f9a9678f9a6897027bbd623
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as a phishing lure due to its image-heavy nature and a single clickable action, typical of screenshot lures. It contains an embedded URI pointing to 'trafftec.ru', which is likely part of a phishing campaign. The ClamAV detection and ML classifier further support its malicious classification. No scripts were extracted, but the presence of external URLs suggests a redirection to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6110

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://trafftec.ru/aws?utm_term=homophones+sheet+year+3
    • https://dapujevubo.weebly.com/uploads/1/3/1/4/131438680/b25b27.pdf
    • https://liwevapazu.weebly.com/uploads/1/3/1/0/131071299/rafumokojorekut_jilut_todet.pdf
    • https://rewudorabemomaf.weebly.com/uploads/1/3/4/2/134234845/64dfc50c858e0e1.pdf
    • https://napuraviseso.weebly.com/uploads/1/3/4/3/134322211/tarobememibiga_xubafimatab_gonugabatan.pdf
    • https://uploads.strikinglycdn.com/files/8131d691-8db5-4ebf-b8cc-ad48439156f2/monect_apk_download.pdf

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