Malicious PDF — malware analysis report

Heuristics 7

• 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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://vilenefex.ru/award?keyword=aluminum+properties+and+physical+metallurgy+pdf PDF link annotation

  • http://reduslimitalia-ufficiale.site/xininotx9q0.pdfIn PDF document text
  • http://fafikup.scienceontheweb.net/zagisisolonuxanewamefu.pdfIn PDF document text
  • http://xegazinijitup.mywebcommunity.org/west_bend_bread_machine_recipe.pdfIn PDF document text
  • http://sosyaltakipcipanelin.com/timebumikitixunukozekolasp5tb7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369915/normal_6034ffa7523cb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370989/normal_6042f3885810c.pdfIn PDF document text
  • http://zurujavurobe.scienceontheweb.net/20295874454.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370778/normal_6024bb4ed8874.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://4b4ea461-5266-411b-8735-d5290551f550.filesusr.com/ugd/7fedcf_ef7da5103b5a4d19a80bca4904474b3f.pdf?index=trueIn PDF document text
  • https://e809654a-a95b-4dbc-a338-24085255a2f8.filesusr.com/ugd/1b6cec_ad430a438853479799d964af7fbcce81.pdf?index=trueIn PDF document text
  • https://37523d11-79cf-4eb3-ada4-f05de57c71ee.filesusr.com/ugd/275374_59e8d71ab0c14f69b7ca12a679866c2f.pdf?index=trueIn PDF document text
  • https://f8e303d0-f350-43d2-b7c3-f886ef13ec25.filesusr.com/ugd/1bb397_67c2c769130447929586e942baed7682.pdf?index=trueIn PDF document text
  • https://d798de41-6847-46d1-b877-4f1b84f556ee.filesusr.com/ugd/3e315c_23f4bbb3b4e4420e82e54a129a4297b4.pdf?index=trueIn PDF document text
  • https://d25e5d79-f3dc-43ab-8538-58f2f4730235.filesusr.com/ugd/898300_46da2d5f9a3d4368ad80e27e512a507e.pdf?index=trueIn PDF document text
  • https://d1b6b380-f15b-462b-86b5-0b089ba7d90d.filesusr.com/ugd/f99a33_d5c66f429e4f4ad983a0693165541eb2.pdf?index=trueIn PDF document text
  • https://b89c0965-50b5-483f-b67e-52f573158f4f.filesusr.com/ugd/1e222e_a7e3a8bd63d94b9086744ab1eec65fe7.pdf?index=trueIn PDF document text
  • https://aa3bb5c3-2bd4-4791-9e2a-6e31d5009b04.filesusr.com/ugd/60e703_b8c3912f877448d0bfe0ab88e5b89d63.pdf?index=trueIn PDF document text
  • https://923a8ca3-316b-4844-b38f-9bc955ad4852.filesusr.com/ugd/312e0e_9dac46b060c84eb584972b0fb3679546.pdf?index=trueIn PDF document text
  • https://5efcf519-4c71-4be9-a00f-e1d47ba804c5.filesusr.com/ugd/ebcc4b_8e9f4a7ba8bf4d04a112dbe63c0ad4aa.pdf?index=trueIn PDF document text
  • https://6c892e0d-5736-4b4a-96a3-cd490fd1fe3d.filesusr.com/ugd/1407cd_9e48e36a83fc4b638aa275a5198be5dc.pdf?index=trueIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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