Malicious PDF — malware analysis report

Static analysis result for SHA-256 f181ae3391a3b1b8…

MALICIOUS

PDF

48.0 KB Created: 2021-09-16 19:51:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-20
MD5: 8fd81dcb138811bc7b8bc05650339819 SHA-1: 020e81a0354e12d07a3fe825e6aa41c2027ed22a SHA-256: f181ae3391a3b1b8bd2913088d0733d8a2183036ec162a5e61dc550ec6950c8b
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URI that leads to a URL disguised as a download link for a popular game, likely a lure for phishing. ClamAV detection and ML classification indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest it is designed to trick users into downloading further malicious content, potentially via JavaScript execution within the PDF viewer.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5106

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://www.slappedtogether.com/editoruploadfiles/file/96656358017.pdf In PDF document text
    • https://trongtrucsolution.com/uploads/files/18515481515.pdfIn PDF document text
    • http://healingtown.org/userData/board/file/59110361502.pdfIn PDF document text
    • http://pagyesa.org/userfiles/file/20210910043510.pdfIn PDF document text
    • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/05952173b9ea2fbc9779cf527bf0e913/nakofitimiroli.pdfIn PDF document text
    • https://sandp-engineering.com/ckfinder/userfiles/files/8967013763.pdfIn PDF document text
    • https://www.edm-medical.net/ckfinder/userfiles/fileIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=naruto+ultimate+ninja+storm+4+mobile+download+freePDF link annotation

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