Malicious PDF — malware analysis report

Static analysis result for SHA-256 64a586a369763a56…

MALICIOUS

PDF

83.0 KB Created: 2021-06-23 11:57:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 02c104c56b2455ad24dfc9a13e83255f SHA-1: 1ac4c1f30f39abb93a4c8d68051925235108c4bc SHA-256: 64a586a369763a56eae170ddadf48b190ab0f0ebd21b964f8785eaf709721d94
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of embedded URLs, some of which are unknown, suggests an attempt to redirect users to malicious content or download further payloads. Although no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a phishing or malware distribution scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9555

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://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607be5d2d0e7b---mosolo.pdf In PDF document text
    • https://footballsod.com/images/ck-uploads/files/45387545996.pdfIn PDF document text
    • http://archi1919.com/smlclub-files/file/besumisetaxugojusaloxuv.pdfIn PDF document text
    • https://hondamienbac.vn/userfiles/file/71442791340.pdfIn PDF document text
    • http://nhs1966reunion.com/clients/1In PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=introduction+to+econometrics+dougherty+pdfPDF link annotation