Malicious PDF — malware analysis report

Static analysis result for SHA-256 6751c6e1e5183411…

MALICIOUS

PDF

46.8 KB Created: 2021-09-07 02:06:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: a3d366e06f58d3998763bb3c8f7ff1ea SHA-1: 44026e19a4e9618986ca2918fcae68f2b6559e79 SHA-256: 6751c6e1e5183411363c14463ad2515317ce56cb892c33b42bd6c7ce95254bbc
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or delivering malicious content. The ClamAV detection and ML classifier indicate malicious intent, likely related to phishing or malware delivery. The embedded URLs suggest the document is designed to redirect the user to download further malicious payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6918

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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.nagsa.es/ckfinder/userfiles/files/50613957017.pdf In PDF document text
    • https://acconpriti.com/ckfinder/userfiles/files/66534782730.pdfIn PDF document text
    • http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/81913495200.pdfIn PDF document text
    • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a4908a1fd87---fujapuzezoxunox.pdfIn PDF document text
    • https://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/515c420bbaa8e8d41d1ecf347dd15c53/31030568364.pdfIn PDF document text
    • https://cosmopolitanhotelbg.com/uploads/wysiwyg/files/lusekogilax.pdfIn PDF document text
    • https://hunde-katzen.at/soubory/lijusuxaduj.pdfIn PDF document text
    • http://teplorium.su/userfiles/file/tajumetijetanipi.pdfIn PDF document text
    • http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b3190e79aIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=cara+pasang+serutan+kayu+manualPDF link annotation

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