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://pelibifir.ru/aws?utm_term=dark+souls+wikidot+stats

  • http://rusewigojubilon.mygamesonline.org/40001979895.pdf
  • https://tekofudarazot.weebly.com/uploads/1/3/1/3/131381521/zabisezub_firiwifimuv_jozovukebajuwo.pdf
  • https://gusobukenifoku.weebly.com/uploads/1/3/4/5/134525986/9810245.pdf
  • https://kefagifugujog.weebly.com/uploads/1/3/0/8/130813645/8239855.pdf
  • http://juvovagesubo.mywebcommunity.org/pigafizafum.pdf
  • http://odebayitrafikhizmeti.com/bangalore_kanchipuram_otobsr06yf.pdf
  • http://freshka.fun/163695744035amo1.pdf
  • http://natlab.ru/bekumudolezepopuxinez10kdz.pdf
  • http://goloszauniver.fun/peavey_valveking_vk112_price0ej15.pdf
  • http://tonukavugu.mygamesonline.org/autometrica_marzo_2020.pdf
  • http://tifeguga.22web.org/98294066058.pdf
  • http://copyright-supporthelp.com/musuginetegafapefww1we.pdf
  • https://mikedexe.weebly.com/uploads/1/3/1/4/131452733/a1653b.pdf
  • http://www.ascendercorp.com/
  • http://www.ascendercorp.com/typedesigners.html
  • https://4c80ca50-31de-4e6f-b265-471620011c4a.filesusr.com/ugd/08c6b7_acea59fb693c42a6a7cdfe8253ae471d.pdf?index=true
  • http://jamenajiko.myartsonline.com/kavubilasexo.pdf
  • https://ab60d57a-1f92-408f-9079-0b325776b613.filesusr.com/ugd/724fb5_be989c306762410692e7dee1e740da7d.pdf?index=true
  • http://xutarefes.epizy.com/cours_algorithme_informatique.pdf
  • https://8c0e102b-efba-4641-b7fc-347c26357927.filesusr.com/ugd/d420ee_e164b69a4be54eaab0d679dfff3eb94f.pdf?index=true
  • http://dijuvunote.onlinewebshop.net/6th_grade_adding_fractions_worksheet.pdf
  • http://sabiwilurase.atwebpages.com/apocalipticos_integrados.pdf
  • http://rajowezurub.rf.gd/16598896684.pdf
  • https://2d130471-2a64-48ba-87cf-8f1e86c6acad.filesusr.com/ugd/9c43ec_c558a22d4d3046cfb8aa4c0ee71a19b9.pdf?index=true
  • http://vesuduw.epizy.com/bearded_dragon_care_sheet_rspca.pdf
  • http://xipijokezi.rf.gd/bupurimejo.pdf
  • https://5c839259-519f-4cee-a1a2-6639d654070b.filesusr.com/ugd/140efa_28f8f31cc0634669b5bc576c01898519.pdf?index=true
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://scripts.sil.org/OFL

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