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://bologen.ru/strik?utm_term=text+structure+worksheets+grade+3 PDF link annotation

  • https://cdn.sqhk.co/tamejenonisi/jU5JAul/74231243796.pdfIn PDF document text
  • https://cdn.sqhk.co/ranemagesoga/hgeChh3/81445887550.pdfIn PDF document text
  • https://cdn.sqhk.co/mesodimeduje/yiibhiJ/nadoxemazetagofomevinodab.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4476590/normal_600654a68abae.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379363/normal_600a730d8b061.pdfIn PDF document text
  • https://cdn.sqhk.co/banifiga/vnN8hhe/fomukujemuda.pdfIn PDF document text
  • https://cdn.sqhk.co/govazilose/78jj9cJ/prank_caller_io.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413978/normal_6061c260a94fa.pdfIn PDF document text
  • https://cdn.sqhk.co/tumowara/qjijgSv/speedometer_not_working_and_transmission_not_shifting.pdfIn PDF document text
  • https://cdn.sqhk.co/kiwapipu/hLYKIgh/vebulila.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4483088/normal_603c5fcdf0d5b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381751/normal_604cbff50a7b9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402932/normal_604dc012133d4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387571/normal_5fdc0311c51e4.pdfIn PDF document text
  • https://cdn.sqhk.co/jifigetuxu/hihiZAN/ben_and_holly_s_little_kingdom_colouring.pdfIn PDF document text
  • https://cdn.sqhk.co/kutogudofi/atfZicl/xuwusoka.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4501495/normal_5fdc54c30506e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4422147/normal_6041bb773bf76.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://22e365c6-0853-42e1-82f8-83473bf9c0bf.filesusr.com/ugd/217d68_0bfe844e4ac14f8b9bf7fea029324836.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/tezude/74366350063.pdfIn PDF document text
  • https://s3.amazonaws.com/pujirageg/gmail_blocked_attachment.pdfIn PDF document text
  • https://b4140449-9b96-4148-8619-c9b3eed7b48c.filesusr.com/ugd/c33cdb_de73a83a75af4e25a7989df7a69e9ad3.pdf?index=trueIn PDF document text
  • https://8dac4d01-2cd1-45d2-8b5f-6005f802adc9.filesusr.com/ugd/1f96ce_7bf5fd0df6af49a9abd2e2ac203382a1.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/legenapi/how_do_sociologist_define_deviance.pdfIn PDF document text
  • https://s3.amazonaws.com/woxotopapozokev/98242881507.pdfIn PDF document text
  • https://f9a132f0-acc9-4761-b7d8-38025aedd849.filesusr.com/ugd/5c71d6_78177d5295a74a45a7a1a57acab693dc.pdf?index=trueIn PDF document text
  • http://heniss.pbworks.com/w/file/104007381/understaIn 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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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