Malicious PDF — malware analysis report

Static analysis result for SHA-256 c28029a007f47315…

MALICIOUS

PDF

50.6 KB Created: 2020-12-01 08:31:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 508f47440634ca2a637cd4113831b5cc SHA-1: b236b0498029d9fce3e58190e950265c02d6cb8d SHA-256: c28029a007f47315f6e1eaf2ca6bb1999cac1ebe9ccb5ddb149870625b82c0e4
94 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as malicious by ClamAV and an ML classifier. It contains an embedded URL pointing to 'trafficel.ru', which is flagged as suspicious. While the document body is heavily obfuscated, the presence of an external URI heuristic and the overall detection suggest a phishing or malware delivery attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7011

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://trafficel.ru/aws?utm_term=android+blur+image+programmatically PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4377379/normal_5f8aea9fa3d30.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381962/normal_5f8b85d623c5e.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf493af3de5e49b55a4fc9/1606371643099/golden_lab_puppies_mn.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4e8eae92-b6fc-4b5c-a096-6988e5a4d1f9/real_act_prep_guide_3rd_edition.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0d7ac403f5353fd956fc5/t/5fc186ae18e72e5fdb11c992/1606518449548/eagle_butte_animal_shelter.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0e925ea4a794d56451110/t/5fc27340f3de5e49b5b3b698/1606579013329/cherokee_community_school_ia.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1bd004ef-b33c-48f3-a05d-5aec6e7317b6/mugegikos.pdfIn PDF document text
    • https://s3.amazonaws.com/lewuli/d_d_5e_barbarian_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e39d7135-ca11-4807-b2a1-ec240bbf1f17/s1_and_s2_sounds.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/70879a2c-a947-4741-87fa-bdc8b621de49/sulaxelovagutaleka.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b81cc88b-9f8f-4ff9-bd50-907215b17b98/76656433806.pdfIn PDF document text
    • https://s3.amazonaws.com/tiluwisulepam/ets_toefl_official_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5928e208-2963-4b23-b6aa-dfcbafa97fe0/misegujexiwibiruzulitujir.pdfIn PDF document text

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