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://trafficel.ru/123?keyword=college+point+depot+brief+history PDF link annotation

  • https://punotajevi.weebly.com/uploads/1/3/4/2/134266109/bbb682f8367590.pdfIn PDF document text
  • https://radigaligoled.weebly.com/uploads/1/3/4/3/134333621/sarexobupidakuxetot.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375340/normal_5fa0c8ea662cf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409811/normal_5fa0a383d8b4d.pdfIn PDF document text
  • https://vovikadu.weebly.com/uploads/1/3/4/5/134587732/ragami.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380073/normal_5f8a98f95e762.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378604/normal_5f8bb1dad61c4.pdfIn PDF document text
  • https://repafajekojila.weebly.com/uploads/1/3/4/3/134305679/8c5a17.pdfIn PDF document text
  • https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/1a2a240ef.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000658b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000658b.bin)
  • https://s3.amazonaws.com/zazelujeju/8987089885.pdfIn PDF document text
  • https://sojurumopo.files.wordpress.com/2020/11/kadopivoxuworanakulejovab.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d9aa7322-80a1-4da1-baa7-a6909d53f3f2/87105409189.pdfIn PDF document text
  • https://s3.amazonaws.com/suzixegazunow/14988755501.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 extracted file (font_00_sfnt_off0000658b.bin)

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