Malicious PDF — malware analysis report

Static analysis result for SHA-256 b05779db5673f4b1…

MALICIOUS

PDF

52.6 KB Created: 2020-12-01 09:23:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-02
MD5: 04a6506c557f478b9ec5c1bb432abe28 SHA-1: 79e97ab9ad90df40e22573fe8afd9a5fdade4682 SHA-256: b05779db5673f4b142d610b2948b78fcc1ef4d34dba7e2aabe4603929c3c6974
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL, https://traffking.ru/aws?utm_term=sodium+stibogluconate+dosage+form, is the primary indicator of malicious intent. While no scripts were explicitly extracted, the PDF structure and the malicious link suggest an attempt to redirect the user to a phishing or malware distribution site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9125

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://traffking.ru/aws?utm_term=sodium+stibogluconate+dosage+form In PDF document text
    • https://cdn-cms.f-static.net/uploads/4464852/normal_5fbb4382d75f9.pdfIn PDF document text
    • https://figotuzu.weebly.com/uploads/1/3/4/5/134579221/rufefitofeb.pdfIn PDF document text
    • https://s3.amazonaws.com/kiwopusafize/bottled_water_business_plan_in_nigeria.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe0c00bc819f1cf49fdd82/1606290433709/24432352182.pdfIn PDF document text

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