Malicious PDF — malware analysis report

Static analysis result for SHA-256 807d7819110fcfca…

MALICIOUS

PDF

54.7 KB Created: 2021-09-06 06:21:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: 5f6d6695043dddf11c199a8285627744 SHA-1: 4379f3217a7117367c8bcc2440fbd1c29e4f21ca SHA-256: 807d7819110fcfca56f32d45673a2b620f28f3a552aa5ebeb327b66a3d77295a
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains several embedded URLs that lead to unknown or potentially malicious domains, suggesting a phishing or malware distribution attempt. The presence of PDF_URI and EMBEDDED_URL heuristics further supports the attack pattern of luring users to external sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8927

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://myphamlulanjina.com/upload/files/35623941189.pdf In PDF document text
    • https://denizlihorozu.com/resimler/files/rabobaz.pdfIn PDF document text
    • http://palyavalaszto.hu/teszt/upload/file/rifizo.pdfIn PDF document text
    • http://4chan.ro/UserFiles/file/86708939572.pdfIn PDF document text
    • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16073efd45d4f3---13112051538.pIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=petrology+and+petrography+pdfPDF link annotation