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://baarspo.ru/wix?keyword=jefferson+grade+school+belleville+il PDF link annotation

  • http://medgaj.com/vex_3_hacked_yepixleud.pdfIn PDF document text
  • http://waystep.site/solitaire_for_pc_offlinebryf1.pdfIn PDF document text
  • https://cdn.sqhk.co/fagisuxupinu/4ibEOjd/tozelipesadu.pdfIn PDF document text
  • https://cdn.sqhk.co/sojuzafu/gqkYxiT/events_next_weekend_in_atlanta.pdfIn PDF document text
  • http://grantmedica.ru/xboxhdm_2.2_usbl999o.pdfIn PDF document text
  • https://metenesepagozo.weebly.com/uploads/1/3/4/7/134710396/kiwudojuson-sekupogijojes-bomuxibeluguwow.pdfIn PDF document text
  • https://cdn.sqhk.co/xawobovuji/mDgc46z/50364729875.pdfIn PDF document text
  • https://cdn.sqhk.co/konumapedowe/cDvogd1/65775635972.pdfIn PDF document text
  • http://ihsteam.ru/descargar_tuning_club_online_hackeadonsv3d.pdfIn PDF document text
  • https://cdn.sqhk.co/sikibeve/u6ggWgc/46115649016.pdfIn PDF document text
  • https://cdn.sqhk.co/kikolibub/yhaDHv8/kapumipebatakap.pdfIn PDF document text
  • http://mesretly.xyz/vejaderibofuberexorubuomkz.pdfIn PDF document text
  • https://cdn.sqhk.co/dovoxukeni/jgcjaZW/finekowoxer.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/vasofirida/giretanuxenaximitu.pdfIn PDF document text
  • https://s3.amazonaws.com/xirixepo/whatsapp_update_2019.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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