Malicious PDF — malware analysis report

Heuristics 4

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://traffmen.ru/aws?keyword=great+scotts+audio In PDF document text

  • https://cdn-cms.f-static.net/uploads/4382201/normal_5f9242c07a194.pdfIn PDF document text
  • https://kagilovudugavap.weebly.com/uploads/1/3/1/1/131164538/4664983.pdfIn PDF document text
  • https://xalipifizipig.weebly.com/uploads/1/3/1/3/131379045/gobukusarilefoloj.pdfIn PDF document text
  • https://kenodajeto.weebly.com/uploads/1/3/4/4/134490943/9380728.pdfIn PDF document text
  • https://loxazofobel.weebly.com/uploads/1/3/4/2/134265844/1781291.pdfIn PDF document text
  • https://rajivuwos.weebly.com/uploads/1/3/4/3/134398668/xaxofijodafoginosaxe.pdfIn PDF document text
  • https://vilujelirajoki.weebly.com/uploads/1/3/4/3/134378771/0daa09f5d425.pdfIn PDF document text
  • https://mizunilido.weebly.com/uploads/1/3/4/3/134352057/tasuseren.pdfIn PDF document text
  • https://disanelazutiwi.weebly.com/uploads/1/3/4/3/134361230/taxovosubona_baxafadotefusux_kiruf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4462344/normal_5fa2c917bfab1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368266/normal_5f877232642bc.pdfIn PDF document text
  • https://tosisevutozu.weebly.com/uploads/1/3/4/3/134328017/3425693.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369333/normal_5f993489cc70b.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/dukexajuj/35623599823.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/centrifugal_fan_performance_curve.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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