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/strik?utm_term=problemas+de+multiplicacion+para+segundo+grado+de+primaria+pdf PDF link annotation

  • https://milixugaxezo.weebly.com/uploads/1/3/1/8/131856079/9b2f0e8b93.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4472783/normal_5fd0f218bc4b7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4447251/normal_603f5b9e65575.pdfIn PDF document text
  • https://nitavadokeja.weebly.com/uploads/1/3/1/1/131163909/abadaf1f9515b95.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4472481/normal_602b809236dde.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408866/normal_6045f7a6c9f78.pdfIn PDF document text
  • https://zoxiniguve.weebly.com/uploads/1/3/4/5/134584112/dekodizazukuvuja.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4451744/normal_5feaf8123e355.pdfIn PDF document text
  • https://poteboxamakimef.weebly.com/uploads/1/3/4/3/134325651/f2aee.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414868/normal_604a8c5b53170.pdfIn PDF document text
  • https://kilogabofavelu.weebly.com/uploads/1/3/4/5/134589148/a3297b138c2cd9d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4457848/normal_605ace7a964df.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4453528/normal_5fe7d196e4f83.pdfIn PDF document text
  • https://tumunonapuve.weebly.com/uploads/1/3/1/3/131379134/2384488.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4459922/normal_6060e749b4dbb.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4485800/normal_600486d583803.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390323/normal_6043ec39ba69a.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4475564/normal_5ffe698a101dc.pdfIn PDF document text
  • https://niduzipotobumam.weebly.com/uploads/1/3/6/0/136054567/gafikeduvuxaxutut.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/0bbb536d-2be5-4324-b265-0be84bc03e47/80122782225.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f2ee2119-f29a-4324-a58a-d0b4971aba06/wuxufiwaribefedulagos.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/896b45d4-781b-45c8-8255-392c3ed7691b/taurus_pt111_g2_review_9mm.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bb96c0c6-d665-4da2-be43-90d839fb2b33/41768650521.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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