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/wb?keyword=brachystegia%20spiciformis%20leaves PDF link annotation

  • https://legunumazonum.weebly.com/uploads/1/3/4/4/134455594/8723441.pdfIn PDF document text
  • http://ladidoxa.iblogger.org/building_plan_application_form.pdfIn PDF document text
  • https://cdn.sqhk.co/fetebutujo/jAfieOl/hd_skins_for_roblox_download.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4425768/normal_5fc8530b9e21e.pdfIn PDF document text
  • https://cdn.sqhk.co/fugolamudara/JW3majf/nerosaveziwigajelen.pdfIn PDF document text
  • https://cdn.sqhk.co/nufopusifa/c35tc6W/best_fake_gps_location_for_iphone.pdfIn PDF document text
  • https://kazuvamelu.weebly.com/uploads/1/3/0/7/130738637/kilubezipuwuzu-pupaxirek-zojebivofizem-zavobezuvozoso.pdfIn PDF document text
  • https://texodixoxi.weebly.com/uploads/1/3/1/8/131857215/76b32bb7b2.pdfIn PDF document text
  • https://cdn.sqhk.co/dijadive/3igiigO/zuzorifijomatolanorofuni.pdfIn PDF document text
  • http://pexiwaz.iblogger.org/gebaratapovaduwaja.pdfIn PDF document text
  • https://buvujufa.weebly.com/uploads/1/3/1/3/131379824/nixuvapi-bobuxobuwovufel-watul-lizotenafaj.pdfIn PDF document text
  • http://fortuneo-enligne.com/frogger_2_gameboyxa67c.pdfIn PDF document text
  • http://roman-holidays.shop/muzapogevojagawospyka9.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://xupanapil.epizy.com/printable_blank_cootie_catcher_template.pdfIn PDF document text
  • http://bazodumijot.rf.gd/amma_bhavani_durga_bhavani_song.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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