Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c6c201df24ed846…

MALICIOUS

PDF

67.6 KB Created: 2021-01-13 03:58:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 0b343df04a9e28365f34b0bb0dcd6385 SHA-1: 2be6bc5b34c497e59d78e83c0de46828b3d3226f SHA-256: 2c6c201df24ed8465f39847893cc721217297e9ee9af11bfc92f3f3e5c9ff44e
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to `https://gettraff.ru/aws?utm_term=atividades+substantivos+biformes+e+uniformes`. This indicates the document's primary purpose is to lure users to this malicious URL. The ML classifier and ClamAV also flagged the file as malicious, reinforcing the phishing or malware distribution intent. No scripts were extracted, but the presence of a malicious redirector is sufficient evidence of a malicious attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9275

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://gettraff.ru/aws?utm_term=atividades+substantivos+biformes+e+uniformes In PDF document text
    • https://cdn.sqhk.co/titipubaduw/gijahhR/simerinuniriwoburakoduma.pdfIn PDF document text
    • https://cdn.sqhk.co/relulapezele/j8shdha/xirozelajapimemikise.pdfIn PDF document text
    • https://site-1235125.mozfiles.com/files/1235125/coreldraw_free_bagas31.pdfIn PDF document text
    • https://site-1239972.mozfiles.com/files/1239972/31017619287.pdfIn PDF document text
    • https://site-1195445.mozfiles.com/files/1195445/xikobeta.pdfIn PDF document text
    • https://cdn.sqhk.co/savaketiju/DsggGhe/xijusozixe.pdfIn PDF document text
    • https://site-1177895.mozfiles.com/files/1177895/serarusaboxo.pdfIn PDF document text
    • https://site-1183516.mozfiles.com/files/1183516/rusub.pdfIn PDF document text
    • https://s3.amazonaws.com/vipuxafol/mopefanezekalili.pdfIn PDF document text
    • https://s3.amazonaws.com/wipotegadodorek/fizopabikixomitoziwetibi.pdfIn PDF document text
    • https://s3.amazonaws.com/xuzed/cost_of_trapcall_app.pdfIn PDF document text