Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://jottigo.ru/award?keyword=the+revenant+full+movie+in+hindi+free+download+hd+480p PDF link annotation

  • https://cdn.sqhk.co/fubafonu/Sge1nH6/wedding_cake_table_decor_pinterest.pdfIn PDF document text
  • https://cdn.sqhk.co/tedefoso/hhbApjh/91239437412.pdfIn PDF document text
  • http://sbrf.link/pelowaselelewirah7i7i.pdfIn PDF document text
  • https://fejilezujew.weebly.com/uploads/1/3/4/3/134340931/zujug.pdfIn PDF document text
  • https://cdn.sqhk.co/vabalogu/igA4jdN/61932110427.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4465924/normal_600f2ccc02b75.pdfIn PDF document text
  • http://smeh-mif.space/white_christmas_tree_lights_with_green_wireji7uw.pdfIn PDF document text
  • https://cdn.sqhk.co/fafujedajir/ijghie6/call_of_duty_warzone_xbox_one_cheats.pdfIn PDF document text
  • http://begemotiks.fun/what_does_u_mean_in_dictionarygork2.pdfIn PDF document text
  • http://rimka.xyz/divisibility_rules_worksheet_math_aids20iz9.pdfIn PDF document text
  • http://mishgen.com/lajatuf67rs.pdfIn PDF document text
  • http://recepty-dd.info/adventure_of_tintin_game_for_androidq2hqo.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/zewimu/what_are_the_different_types_of_errors_in_physics.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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