Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b79bc830051d2c5…

MALICIOUS

PDF

68.0 KB Created: 2020-11-24 06:04:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 30d297c0a062d9c062ab149b32f27d94 SHA-1: 470f9a4601db427da504ac6efef5a518d273bdcf SHA-256: 9b79bc830051d2c58bd6c4c8d4eb7ce3d70a47b5dde69001ff55bc312c879859
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF containing an embedded URL that redirects to a suspicious domain, identified by ClamAV as Pdf.Phishing.Trojan. The ML classifier also flagged the PDF as malicious. The document body, though heavily obfuscated, appears to contain metadata related to the 'Alone season 5 episode 1' lure, suggesting a phishing or social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8907

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
  • 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://traffine.ru/strik?utm_term=alone+season+5+episode+1
    • https://cdn-cms.f-static.net/uploads/4390330/normal_5f900ea30c395.pdf
    • https://cdn-cms.f-static.net/uploads/4383137/normal_5f9522e8392df.pdf
    • https://cdn-cms.f-static.net/uploads/4368956/normal_5f89351c9feda.pdf
    • https://cdn-cms.f-static.net/uploads/4492257/normal_5fb2d3acd30b3.pdf
    • https://cdn-cms.f-static.net/uploads/4366031/normal_5f870a3a90860.pdf
    • https://cdn-cms.f-static.net/uploads/4368747/normal_5f8ba225db49f.pdf
    • https://cdn-cms.f-static.net/uploads/4378404/normal_5fa8b1613b6f0.pdf
    • https://cdn-cms.f-static.net/uploads/4457561/normal_5fad706f89f71.pdf
    • https://s3.amazonaws.com/rodigapigeta/wuxosodivokusagovaxax.pdf
    • https://s3.amazonaws.com/novifamigot/mystic_messenger_frank_email_answers.pdf
    • https://s3.amazonaws.com/juduk/aces_limited_brands_login_associate.pdf
    • https://s3.amazonaws.com/wajufifenoxuj/mibolunefobipubuvab.pdf
    • https://s3.amazonaws.com/fowonaxul/francisco_costa_fashion_designer.pdf

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