Malicious PDF — malware analysis report

Static analysis result for SHA-256 a67dfdfd1829c7ac…

MALICIOUS

PDF

47.8 KB Created: 2021-08-19 13:02:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-23
MD5: 60390f92aa8bc02679426dd0d2914b7f SHA-1: 062eeca0752b6807a8a8fa6a88ee6f52c4f792fd SHA-256: a67dfdfd1829c7ac3b520d162f346b9ada3deb5a91ef7fdf2ac71c70b20a6daa
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The ClamAV heuristic identified this PDF as a phishing trojan. The presence of embedded URLs, including several with unknown reputations, suggests an attempt to redirect the user to malicious content. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a phishing lure, likely intended to deliver a secondary payload or harvest credentials.

Machine Learning

  • Nyx PDF Classifier clean score 0.2088

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://bakoca.hu/files/file/wisopisipude.pdf In PDF document text
    • https://www.ergunaygoren.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d2827edd7---2843094801.pdfIn PDF document text
    • https://alatheir.com/atheirwsfiles/file/nanakoregomemos.pdfIn PDF document text
    • https://fobh.net/userfiles/files/gotawaselutimitenux.pdfIn PDF document text
    • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fb512e947cf---32724904534.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=how+to+calculate+cgpa+using+excelPDF link annotation

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