Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad44d828d560d7a3…

MALICIOUS

PDF

125.0 KB Created: 2021-07-13 15:55:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-16
MD5: f98b49d41938a89a2146c719f97bfc5b SHA-1: 7b5267b320f5fa11661435fb89e30927f799cbb9 SHA-256: ad44d828d560d7a358955d544ac022ec4f06438d470c93838ca87a246d204497
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF document that contains embedded URLs. One of these URLs points to a suspicious PDF file, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection further support its malicious nature. No scripts were extracted from this sample, but the presence of malicious URLs indicates an attempt to redirect the user to a harmful resource.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7102

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 https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a54e6518246---kedudamepufowaxabovotob.pdf In PDF document text
    • http://trunglam.vn/uploads/userfiles/file/muleletexipurabiwip.pdfIn PDF document text
    • http://sy-smile.com/upload/files/9835763496.pdfIn PDF document text
    • https://hometeamcorp.com/images/usr/polorixafezexamasonupil.pdfIn PDF document text
    • http://gramercygrand.ru/files/file/bebunimojenidixizi.pdfIn PDF document text
    • https://ltanimalpark.com/wp-content/plugins/super-forms/uploads/php/files/79689421d7c64df13255832606bfb74c/88893265003.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=extraction+of+iron+class+10PDF link annotation

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