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://soxebez.ru/strik?utm_term=solving+linear+inequalities+in+one+variable+worksheet+pdf PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4465277/normal_6015722bdcea6.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4409254/normal_5fcbd4103323c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4427284/normal_5fd7370923e5c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4410217/normal_6017b9cb226af.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4445103/normal_5fed1e7dad9b6.pdfIn PDF document text
  • http://giwewigipebi.medianewsonline.com/biology_practical_book_for_class_11_free_download_tamilnadu.pdfIn PDF document text
  • http://bikelumonekodex.mygamesonline.org/solid_wood_school_desk.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4377113/normal_5ffe880c71731.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387033/normal_603b3fcb4547c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4462982/normal_600d051d6a87e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392191/normal_6034c1f630be5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4497358/normal_60294013af90d.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4408587/normal_5fe3c282b5272.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4475564/normal_5fd63d46deb37.pdfIn PDF document text
  • http://suxoxaxowigab.scienceontheweb.net/20268122943.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://33c7e2ec-32fc-4676-a642-9d95a4379e01.filesusr.com/ugd/622218_ee3d363199794b56a33c8de6b9908481.pdf?index=trueIn PDF document text
  • https://a49aa754-465e-4bbd-924e-b3d0e7b66bd4.filesusr.com/ugd/81d6a4_4f18227540e740e381c11b9b37ab135c.pdf?index=trueIn PDF document text
  • https://37976aa0-f55f-47d3-847a-8d185b13ebf6.filesusr.com/ugd/1d6212_c38ccd19e19c4df3a04488b70cd9c94d.pdf?index=trueIn PDF document text
  • https://091a8774-b5bd-4fb7-8799-8d1ca0ca44ad.filesusr.com/ugd/8716ab_a47aae47438f4f8fab96ef9697d8e1e3.pdf?index=trueIn PDF document text
  • http://rijemow.onlinewebshop.net/85350010486.pdfIn PDF document text
  • https://01c4c9a3-ee74-4db9-a65d-799443b8dbf1.filesusr.com/ugd/a64c8c_79831a69df0d47618829ea8bd0441d76.pdf?index=trueIn PDF document text
  • https://b6c9d0de-81a1-4db9-ab7d-8a95af9e63d6.filesusr.com/ugd/b28ae2_213d4ead5eda4ece98b22ef111a7b890.pdf?index=trueIn PDF document text
  • https://1b6fbac1-9b66-4609-9151-81f5d4c316f7.filesusr.com/ugd/5e81b9_3e0225b0d9ae4676acaf06bbb38cb522.pdf?index=trueIn PDF document text
  • https://bd7a0a6f-bbfd-49cc-ba41-c3f2778102d9.filesusr.com/ugd/9ea91e_2727f2f11d1b4c0888e628b6b615fdee.pdf?index=trueIn PDF document text
  • https://1e1f235d-56dd-4976-b20d-d38e3fe7b172.filesusr.com/ugd/210b45_5700f8c56bc64bfe83d0631b64005670.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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