Malicious PDF — malware analysis report

Static analysis result for SHA-256 226dd8b3f3e0755e…

MALICIOUS

PDF

49.5 KB Created: 2021-04-23 16:14:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 26802f36fe6e6659bdbe1be0db476fd0 SHA-1: 4b9b24d94740d57583cd71013d4c7e5aa138b944 SHA-256: 226dd8b3f3e0755e141d026a4e61d45fda49bc0a8cafe636c51e1a7e776f9922
174 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is identified as a phishing lure due to its small size and image-heavy content, designed to obscure clickable links. The primary external URI, https://soxebez.ru/strik?utm_term=what+jobs+can+you+get+with+a+supply+chain+management+degree, suggests a potential phishing attempt or redirection to malicious content. The presence of numerous external links, including a large number of generated SEO PDFs, further indicates a malicious intent to distribute or host malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7209

Heuristics 5

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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 49 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/strik?utm_term=what+jobs+can+you+get+with+a+supply+chain+management+degree
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