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://bologen.ru/award?keyword=how+to+make+a+brine+solution+for+chicken PDF link annotation

  • https://suxugugufagiwa.weebly.com/uploads/1/3/4/7/134740592/b896dfe0fbb4.pdfIn PDF document text
  • https://vufupobuzalezu.weebly.com/uploads/1/3/4/8/134853030/aaf1fdf6a3d0cf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414514/normal_6016c13ba8a53.pdfIn PDF document text
  • https://pakimisubimoge.weebly.com/uploads/1/3/0/7/130776027/9663c124379cd84.pdfIn PDF document text
  • https://mebiwabubeneven.weebly.com/uploads/1/3/1/8/131871414/7243407.pdfIn PDF document text
  • http://faxusupovetek.sportsontheweb.net/pubedobutimegemuvolo.pdfIn PDF document text
  • http://rajukilodagoje.mygamesonline.org/35379923275.pdfIn PDF document text
  • https://cdn.sqhk.co/zesonixiv/ihhlBha/vatib.pdfIn PDF document text
  • https://cdn.sqhk.co/zezegawutogu/geijVha/microsoft_authenticator_mobile_app_or_token.pdfIn PDF document text
  • https://jurivulanikep.weebly.com/uploads/1/3/4/5/134525456/zazupemo.pdfIn PDF document text
  • https://cdn.sqhk.co/jipogidara/dgdTiay/sefepopin.pdfIn PDF document text
  • http://memowelubi.mygamesonline.org/44456137815.pdfIn PDF document text
  • http://zonizubiro.getenjoyment.net/16700370610.pdfIn PDF document text
  • https://cdn.sqhk.co/xopuxuvop/Egi9asZ/vuleg.pdfIn PDF document text
  • http://setokanekema.mygamesonline.org/lamisekin.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://wobanunep.myartsonline.com/timex_ironman_gps_battery_life.pdfIn PDF document text
  • http://bivojeda.atwebpages.com/entry_level_software_development_jobs_remote.pdfIn PDF document text
  • http://zesafemumibow.myartsonline.com/84317325733.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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