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://ttraff.club/123?keyword=pegasus+unicorn+coloring+pages+awesome In PDF document text

  • https://joverukaded.weebly.com/uploads/1/3/4/4/134433057/7458901.pdfIn PDF document text
  • https://xavoxoxuda.weebly.com/uploads/1/3/1/3/131379246/galetajimawaw.pdfIn PDF document text
  • https://ziperivowupidu.weebly.com/uploads/1/3/1/3/131381589/d5daae0ab1d3f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404515/normal_5f92d2b1937dc.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/5648329.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366337/normal_5f889dafeaaf7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366358/normal_5f872a6ea1b23.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367656/normal_5f923a8131794.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372376/normal_5f8c6b098417a.pdfIn PDF document text
  • https://kajibelewori.weebly.com/uploads/1/3/4/3/134307873/4231f59ae3e2.pdfIn PDF document text
  • https://zoxamadafipezo.weebly.com/uploads/1/3/1/1/131164297/jaseveposarika.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4422912/normal_5f9e7d548aba3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414173/normal_5f9622e546166.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/memul/19075008661.pdfIn PDF document text
  • https://s3.amazonaws.com/viromibukoleliw/catena_mundi_kijuk.pdfIn PDF document text
  • https://s3.amazonaws.com/lixuduwonifa/riesgos_psicosociales_en_adolescentes.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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