Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3f0266c2e24405d…

MALICIOUS

PDF

37.9 KB Created: 2021-06-13 22:50:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: ad439ef0d476a5bc047cd9c8f45083d4 SHA-1: 98e66e4494630c8b4001b24305cd069c5c4c6bc3 SHA-256: d3f0266c2e24405d4211ae4d455b33416b048ba3fe23bdac357e6fb0cf14a0c3
114 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.5135

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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 37 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://wastran.ru/pbw?utm_term=film+india+marjaavaan+full+movie PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4462982/normal_603c347478c80.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470228/normal_605aab2f1b7db.pdfIn PDF document text
    • https://fogujudusimasob.weebly.com/uploads/1/3/4/7/134713994/gitowen_lexizopupidaluv_denaf.pdfIn PDF document text
    • https://nobiramiw.weebly.com/uploads/1/3/4/4/134403563/vewojatuko_labibune_zomagaz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/96c8e11f-0e97-42fc-870b-e7c858c1d128/nocturne_op_9_no_1_chopin.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e6e52766-1467-4292-90eb-9e0b861261c5/panasonic_lumix_dmc-zs40_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c07ea7d1-4948-40ce-9e2e-8df96fe945eb/percy_jackson_and_the_olympians_christian_review.pdfIn PDF document text

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