Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=big+ideas+simply+explained+dk+pdf PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4408174/normal_5fee7e3aa7ae5.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4411229/normal_5fed0fe4ecb2c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4477873/normal_5fd1475e6acd6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388048/normal_60327f6c4cc5f.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4380543/normal_600840c49c9e0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4478438/normal_5fe60aad7f9b4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4481993/normal_6025b82c70091.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383916/normal_5fe7717d60088.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4412999/normal_5fc5a2b1625f3.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://9de673a2-3b8e-40eb-bbf5-c0ad8e71a3da.filesusr.com/ugd/bd5c68_a9bf41cd98ac40d38ab9d360ae577a1b.pdf?index=trueIn PDF document text
  • https://5ee0d2ad-6486-47ce-ab7d-0e7b2bae4193.filesusr.com/ugd/bc0d1e_ca1ded5c5e2646d0af0e28624f35ff82.pdf?index=trueIn PDF document text
  • https://a9750898-a066-404d-a796-54a2f5ad13bb.filesusr.com/ugd/60231a_d17cad2f778140afb9dc4074ec45c79d.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/guxosa/facial_recognition_software.pdfIn PDF document text
  • https://9e77dbea-16d6-438e-9859-4a68c5388828.filesusr.com/ugd/3225da_9338a6c260a54b96860a94ffe7acb38b.pdf?index=trueIn PDF document text
  • https://882e4f53-a7e1-4d4a-89e8-a6e6d9f9b805.filesusr.com/ugd/9a13d2_6e87ab9cbd264836b130bdd14548e71d.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/lijulijowivaze/jijafimobod.pdfIn PDF document text
  • https://feedbc21-cb93-402c-9ae2-3476589645d2.filesusr.com/ugd/f3ecbe_f119324892f649a8ba17b88c3565b1f3.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/begijufadi/13767981352.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ed7de66b-4599-41dc-9845-c1f5d72bf542/how_to_interpret_ols_regression_results_in_spss.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1c21557f-c418-432f-847d-8cb149559549/guess_the_fast_food_logo_game.pdfIn PDF document text
  • https://dc383e6d-b7a3-4e67-a88a-227fa542b6c3.filesusr.com/ugd/72b0e7_923d7d031b984236ae90fda65072b962.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/b73031de-3d1c-4483-abb9-05a1dfbbf105/jaxabolabiliwuwogitonuriz.pdfIn 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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