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://traffset.ru/aws?keyword=unblock+block+games PDF link annotation

  • https://jasazifo.weebly.com/uploads/1/3/1/4/131437377/gorozoj-jogolozefejon-nirigolatomob.pdfIn PDF document text
  • https://zevamomarage.weebly.com/uploads/1/3/4/6/134611313/kovoweza-nirozetatoxiko-lotoxexesi-napunanazobo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375504/normal_5f8be0b82e3fb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4450353/normal_5f9fc65969607.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375210/normal_5f8abb1338bd0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385213/normal_5f8c77856ed05.pdfIn PDF document text
  • https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/safado-fodidunixoso.pdfIn PDF document text
  • https://tupipukevoluda.weebly.com/uploads/1/3/4/0/134041298/1350135.pdfIn PDF document text
  • https://xivenisulebitok.weebly.com/uploads/1/3/1/3/131378814/pafatojuj.pdfIn PDF document text
  • https://riwewobesegelo.weebly.com/uploads/1/3/4/3/134315803/b52dc02.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005f89.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005f89.bin)
  • https://s3.amazonaws.com/fifomi/list_of_botanical_names_of_plants_with_common_names.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a53b807-3efc-419d-ba9e-c3850ea3ba1e/16479341740.pdfIn PDF document text
  • https://pufewureda.files.wordpress.com/2020/11/gikosozatajalomiginex.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5c8a77df-6c7f-4f5f-ab32-868b6e56eceb/sewujifefasaroxebokibaz.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_off00005f89.bin)

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