Malicious PDF — malware analysis report

Static analysis result for SHA-256 ef06eec2bca51a0c…

MALICIOUS

PDF

37.3 KB Created: 2021-09-17 18:49:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-14
MD5: d7e95b8d33fd7c7a45df5766497d1c07 SHA-1: a2e68849550c9bc28224b944aeb58ca7e3eadd1a SHA-256: ef06eec2bca51a0cfc4c8d9572d90971734509429245d88d7c2f8fef219792bd
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

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

Machine Learning

  • Nyx PDF Classifier malicious score 0.7998

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 37 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 http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613157795b556---kituvejejusujepolaxu.pdf In PDF document text
    • http://lg-palette.com/upload/files/12422187469.pdfIn PDF document text
    • http://snsi.jp/image/news_file/97588816705.pdfIn PDF document text
    • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16130be663594b---68010946985.pdfIn PDF document text
    • http://ooexperience.be/assets/Image/files/49573254500.pdfIn PDF document text
    • https://sakkestadbil.no/userfiles/file/64836833521.pdfIn PDF document text
    • http://flamefitnessstudio.com/cewit/images/file/redejunulosime.pdfIn PDF document text
    • http://ckudzcssffhhj.handysociality.com/upload/files/22226381732.pdfIn PDF document text
    • https://faceless.me/userfiles/files/zufuw.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=mi+box+pakistanPDF link annotation

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