Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ea60760f6b956d1…

MALICIOUS

PDF

86.6 KB Created: 2021-06-20 18:49:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-24
MD5: a0c84d76a2df2d63755e8a0fb63c37e6 SHA-1: 08dcbbad7b56fdbcc5e22e0f7669371a58305049 SHA-256: 3ea60760f6b956d1421a98bbb3f603e29ae7f70a2a3b4876e6a47b21a77b7454
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF document identified as malicious by ClamAV. It contains embedded links that lead to unknown PDF files, suggesting a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and 'Qt', indicating it was likely generated by a tool rather than being a legitimate document.

Machine Learning

  • Nyx PDF Classifier clean score 0.1912

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://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bbd412ddc4---rusiwuvusizipe.pdf In PDF document text
    • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b3b3b57ba81---36459324954.pdfIn PDF document text
    • http://montgomery71.com/clients/34132/File/sijiguwa.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=mikrotik+command+line+reference+pdfPDF link annotation

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