Malicious PDF — malware analysis report

Static analysis result for SHA-256 02a9a40f43ef27b1…

MALICIOUS

PDF

37.0 KB Created: 2021-09-05 22:04:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-12
MD5: 3a8cbd1299aa6af250839e76060b7cf0 SHA-1: e01bb5cec693c1cd399557655b09d893e0dc980b SHA-256: 02a9a40f43ef27b1609963dc98853b346b560023962973b8eb9430fc89690f01
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure. It contains an image-only design with a clickable action, typical for tricking users into visiting an external URL. While no scripts were extracted, the presence of multiple embedded URLs suggests a potential redirection to a malicious site or download of a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7016

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 36 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/83120300724.pdf In PDF document text
    • http://sun-green.de/ckfinder/userfiles/files/77633307012.pdfIn PDF document text
    • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160c556c458bf0---zejatupurimufimidivaz.pdfIn PDF document text
    • http://bronia.org/userfiles/file/77054719800.pdfIn PDF document text
    • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1610913d281eb7---sisipivasixezanupab.pdfIn PDF document text
    • http://ptaki.info/imgekoprojekty/files/fekenalu.pdfIn PDF document text
    • http://vdadanang.vn/apIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=pdf+to+cad+converter+free+download+full+versionPDF link annotation

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