Malicious PDF — malware analysis report

Static analysis result for SHA-256 28e1d9c5bc8b6e67…

MALICIOUS

PDF

48.4 KB Created: 2021-09-19 21:21:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-20
MD5: 061be40ac9683bac8a9cfbaca70fa439 SHA-1: 4d908ac3a97e48ece35d3e8262d3bf13a35603cc SHA-256: 28e1d9c5bc8b6e678ee29e32db0d4e4c5a1e91c74a34b9518638c16b97f91e62
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a signature indicating it is a phishing trojan. It contains multiple embedded URLs, several of which are suspicious and point to PDF files hosted on various domains, suggesting a phishing or malware distribution attempt. The document body is heavily obfuscated, preventing a clear understanding of its direct content, but the presence of external URIs and the ClamAV detection strongly indicate a malicious intent to redirect users to harmful content.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3784

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://kotolantopeni.cz/file/10628491624.pdf In PDF document text
    • http://retco.ge/ckfinder/userfiles/files/nagolexiwoni.pdfIn PDF document text
    • http://alfadent-volg.ru/images_uploads/files/61258594759.pdfIn PDF document text
    • http://cleversystems.ru/userfiles/file/lubuwaxuludapigujoxajefe.pdfIn PDF document text
    • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138465431099---68714628864.pdfIn PDF document text
    • http://kehlux.lu/userfiles/files/14359738923.pdfIn PDF document text
    • http://yenidenyuzlendirme.com/ckfinder/userfiles/files/fojobumevugefebupofa.pdfIn PDF document text
    • https://eksiliotomotiv.com/upload/ckfinder/files/85087203311.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=download+videoshow+mod+apkPDF link annotation

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