Malicious PDF — malware analysis report

Heuristics 5

• 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://trafffe.ru/aws?keyword=francis+scott+key+middle+school+va PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4365613/normal_5f875a725f41a.pdfIn PDF document text
  • https://pibemalogodozod.weebly.com/uploads/1/3/2/6/132681910/9349747.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408990/normal_5f9a98d3ec94d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393349/normal_5fa011e6a803b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385434/normal_5f9b9e05cdf60.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380680/normal_5f8f137221830.pdfIn PDF document text
  • https://lugeluwad.weebly.com/uploads/1/3/4/3/134328935/ziruxofefevola.pdfIn PDF document text
  • https://jipemovikeral.weebly.com/uploads/1/3/4/0/134012889/fccd7bb9b71c.pdfIn PDF document text
  • https://razesupimo.weebly.com/uploads/1/3/2/8/132815812/kulirik.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4410462/normal_5f9726105b7a7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385421/normal_5f97ae9fa0c39.pdfIn PDF document text
  • https://xesaranit.weebly.com/uploads/1/3/2/6/132696194/kajoj.pdfIn PDF document text
  • https://kivuligob.weebly.com/uploads/1/3/0/8/130874143/1801338.pdfIn PDF document text
  • https://gexaxiwiwa.weebly.com/uploads/1/3/4/4/134480231/pelikinejuxuturi.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/likerajatob/px4_dev_guide.pdfIn PDF document text
  • https://s3.amazonaws.com/wudibirewuduto/aquaman_2018_free_online_123.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7f9523b6-5fc5-4bcf-86d0-96ad51c29600/max_holloway_vs_conor_mcgregor_full.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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