Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1c880397ffa3559…

MALICIOUS

PDF

36.7 KB Created: 2021-03-17 10:04:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 401722e788a9abdbde478813bd0daca0 SHA-1: cdd6bdce0f04b01f0fed3bcdedf8f84e62bd7d76 SHA-256: e1c880397ffa355959262157305c4c96ee5e5c67eb5ca6637d3d5dea62afe814
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5974

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://soxebez.ru/award?keyword=numeros+primos+y+compuestos+ejercicios+resueltos+pdf PDF link annotation
    • http://alexandreablog.com/kesovuwajanupepivtfc71.pdfIn PDF document text
    • http://yewes.space/24313162967kf176.pdfIn PDF document text
    • http://bella24.xyz/kjv_study_bible7ajmu.pdfIn PDF document text
    • https://fogofude.weebly.com/uploads/1/3/4/3/134322730/pupuguwiterawusav.pdfIn PDF document text
    • https://mikatafa.weebly.com/uploads/1/3/1/3/131398449/1290158.pdfIn PDF document text
    • https://6c8027e1-9878-41b3-a9ef-32ba2b6bcd02.filesusr.com/ugd/185811_51129c4c729b4a98a6a686a17865f4dc.pdf?index=trueIn PDF document text

Related samples 8

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