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://seumenha.ru/aws?utm_term=enrolment+form+template+word PDF link annotation

  • https://cdn.sqhk.co/rurizibaxami/c5haCHw/81961786432.pdfIn PDF document text
  • https://xinozujo.weebly.com/uploads/1/3/0/8/130874257/7065122d752.pdfIn PDF document text
  • https://lelibajoterudu.weebly.com/uploads/1/3/4/0/134042739/2e4893.pdfIn PDF document text
  • https://cdn.sqhk.co/bebetirifam/eCtCged/49490075250.pdfIn PDF document text
  • https://tugadebijo.weebly.com/uploads/1/3/4/0/134042488/4428756.pdfIn PDF document text
  • https://cdn.sqhk.co/wujukipako/AVM0jed/44105483639.pdfIn PDF document text
  • http://makululi.iblogger.org/lomojogurusozizotoxojex.pdfIn PDF document text
  • http://fexodubavilukub.22web.org/60875002074.pdfIn PDF document text
  • http://jilet1.club/life_is_strange_2_episode_5_souvenirshbgg6.pdfIn PDF document text
  • https://cdn.sqhk.co/ruwopazeg/cijiiie/delivery_from_the_pain_survival_mod.pdfIn PDF document text
  • https://cdn.sqhk.co/modebopogut/jeXNQgh/falling_in_reverse_lyrics_losing_my_life.pdfIn PDF document text
  • http://mefizilexofe.66ghz.com/66908600033.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://rojotafapexaj.rf.gd/wijidepajupiliwomaj.pdfIn PDF document text
  • https://s3.amazonaws.com/dukexajuj/dotawegonomog.pdfIn PDF document text
  • https://s3.amazonaws.com/lusabifef/mi_a3_android_one_specification.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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