Malicious PDF — malware analysis report

Static analysis result for SHA-256 6020413c307ff552…

MALICIOUS

PDF

48.0 KB Created: 2021-04-13 19:03:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 468bf3dabfe579f035ad27c158fcc26a SHA-1: 12176d4c6f43f82c938e7fcda8ebdb5852a955b2 SHA-256: 6020413c307ff552ec4c77040ab8aa3a37664bd77f21ac42a6a2ed8a000d1610
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7930

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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/strik?utm_term=what+type+of+printer+is+the+hp+envy+4500 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4467287/normal_5fd67265717c9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405907/normal_604890f2d2256.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4491669/normal_60176b07c01f2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4494149/normal_5fdc3e183702f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379234/normal_6037c3cc8ec4d.pdfIn PDF document text
    • https://c72a6d71-2fad-4f5a-8b7a-a7c165485bce.filesusr.com/ugd/a4966f_8018f2052f1b447f85c51408ba713aba.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/d15bf852-b3c8-4b93-9195-c27d7959f7e1/jikulajaf.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/80ed288b-2254-4834-954c-0f51382b083b/how_to_reduce_shoreline_erosion.pdfIn PDF document text
    • https://8ed6bd9f-de2b-4923-b7df-82f95eb18a03.filesusr.com/ugd/7fa32f_e4f2df7dd4f24895b0922024eace76b2.pdf?index=trueIn PDF document text
    • https://8b83d164-5e56-46cc-b941-48f48810ddf3.filesusr.com/ugd/76ce43_3fc2defa2c0e425ba52118b43009f021.pdf?index=trueIn PDF document text
    • https://a7563df4-ba19-4d82-a8a0-b2470d957038.filesusr.com/ugd/61f964_f8df3bde4d2b4099b77249ddbc68b37f.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/wixanarer/deepak_chopra_daughter.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f4c8ff49-14da-4cdc-83b7-07968172848a/66661923855.pdfIn PDF document text
    • https://s3.amazonaws.com/fuvidokibet/knights_of_cups_tarot_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/kudowo/how_to_reset_pioneer_stereo.pdfIn PDF document text
    • https://5984e891-aecd-43e6-866f-efdb297c9c35.filesusr.com/ugd/403565_c16dd9d5ed4942c3acb49d5f68910d66.pdf?index=trueIn PDF document text
    • https://6731adf0-0bfb-4e29-9024-dbf0b6c78d19.filesusr.com/ugd/163ed7_400d218f86bf4aee85b47631c4cfbca0.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/betefowubevat/97953455486.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/91fc8a6e-5a84-4465-8e0c-80df1f70295c/what_undertones_are_in_mindful_gray.pdfIn PDF document text
    • https://s3.amazonaws.com/wetowuzuxit/exhibition_invitation_email_template.pdfIn PDF document text