Malicious PDF — malware analysis report

Static analysis result for SHA-256 5c5a14797fa0007d…

MALICIOUS

PDF

471.2 KB Created: 2021-03-31 13:48:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-23
MD5: 4c008bb06d476d0e00c7ba24718614d4 SHA-1: 3c6724688953bec6d4a5b21521d06ed2a19bb43c SHA-256: 5c5a14797fa0007d532e848e00d4a80b1b7a80e206845b691f819a4aff412f38
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains an embedded URL that redirects to a suspicious domain, likely as part of a phishing or malware distribution scheme. ClamAV detection and ML classification strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to exploit user trust by masquerading as a legitimate document to drive traffic to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8075

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://ponafet.ru/award?keyword=skf+cylindrical+roller+bearing+pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4366662/normal_5fd7730d62385.pdfIn PDF document text
    • http://metalllift.ru/software_architecture_document_templatelx5hf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381302/normal_6059e9db3d9c6.pdfIn PDF document text
    • http://fito4ka.xyz/munaranekeviwixojusaragukyj3k.pdfIn PDF document text
    • http://help-bluebadgecustomer.com/499886499maa4t.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379971/normal_5fd09b7eda9c0.pdfIn PDF document text
    • https://cdn.sqhk.co/wopiwozaso/jaBNMic/cytoxan_drug_information.pdfIn PDF document text
    • https://cdn.sqhk.co/dodirijobadi/j40ic5b/fikogipawed.pdfIn PDF document text
    • https://s3.amazonaws.com/rabewiruzitewa/6856742862.pdfIn PDF document text
    • http://dulubuli.rf.gd/reportagem_globo_esporte_rs_hoje.pdfIn PDF document text
    • http://sejekowosabukog.epizy.com/infosys_aptitude_questions_and_answers.pdfIn PDF document text
    • https://8964868a-aef6-4da0-9a9b-29de7c28e0c5.filesusr.com/ugd/b910ae_cf989a7383fd4ba8bf5b29077194fa19.pdf?index=trueIn PDF document text
    • https://ede8a7a3-2377-4e09-926a-401222b31c25.filesusr.com/ugd/81c89d_5d36134f0a51412281c5adabc78ac343.pdf?index=trueIn PDF document text
    • https://4edd92ed-4e96-4c3d-a837-a16c7246ae9e.filesusr.com/ugd/7c3149_8be3519ee0784daca5bc40d0cfa40a6d.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/marimejerebo/wazudezixofatefe.pdfIn PDF document text
    • https://s3.amazonaws.com/nakevoja/sidosedopumuwed.pdfIn PDF document text
    • https://s3.amazonaws.com/jepinebawo/2_inch_3_ring_binder_spine_template.pdfIn PDF document text

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