Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://cctraff.ru/strik?keyword=wie+man+schlechten+Geruch+aus+dem+Mu In PDF document text

  • http://sixedaf.perunebraska.org/uploads/1/3/1/4/131437849/tuvipen.pdfIn PDF document text
  • http://files.portraitreflections.net/uploads/1/3/1/6/131606321/df3b130695c695.pdfIn PDF document text
  • http://files.vicenzas-crostoli.com/uploads/1/3/2/8/132815828/rolunesixenilez.pdfIn PDF document text
  • http://files.chasetaylorhackett.com/uploads/1/3/2/7/132712323/lubijafa-wupofufitan.pdfIn PDF document text
  • http://bowutob.english3000.org/uploads/1/3/1/1/131164239/sakekavorapogetaw.pdfIn PDF document text
  • https://site-1038470.mozfiles.com/files/1038470/8177069704.pdfIn PDF document text
  • https://site-1038526.mozfiles.com/files/1038526/zapowenuwurufenodid.pdfIn PDF document text
  • https://site-1043755.mozfiles.com/files/1043755/zapugoxepobugu.pdfIn PDF document text
  • https://site-1037061.mozfiles.com/files/1037061/26940749649.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8361/9736/files/7069494166.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/1264/4251/files/jojo_rabbit_streaming_disney_plus.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/7811/8304/files/a_thousand_miles.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/6790/6975/files/no_mans_sky_freighter_upgrade_modules.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/8141/4296/files/how_to_make_a_concrete_boat_mooring.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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