Malicious PDF — malware analysis report

Static analysis result for SHA-256 b32f8514fb1341a9…

MALICIOUS

PDF

42.8 KB Created: 2021-09-17 12:30:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-12
MD5: 6b9ec7cde2a5a7ba2a994820a2af0eab SHA-1: 03348459d1c2a2f08b66a7ea948d77ffed6287ac SHA-256: b32f8514fb1341a95e23d8f800c8ef755613a96b0795528bdf576f8274b33660
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of embedded URLs, some of which point to other PDF files on potentially compromised domains, suggests a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and heuristic firings point towards an attempt to trick users into downloading further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6998

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://norservis.info/files/files/25827272276.pdf In PDF document text
    • https://stmpallet.com/ckfinder/userfiles/files/25582604588.pdfIn PDF document text
    • http://alajwakh.com/uploaded_files/userfiles/files/1865128582.pdfIn PDF document text
    • https://gamma-electronics-eg.com/userfiles/files/59409320606.pdfIn PDF document text
    • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614001978d5d8---6604557485.pdfIn PDF document text
    • http://35ct1.com/images/ckImageFiles/files/movuxolo.pdfIn PDF document text
    • http://gartenbaukoeln.de/uploads/files/telegazudapuwid.pdfIn PDF document text
    • http://bridgeonlaw.com/filespath/files/20210904220249.pdfIn PDF document text
    • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/ab26c74dd7d546a1In PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=best+security+camera+app+for+androidPDF link annotation

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