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://gettraff.ru/strik?keyword=charles+taylor+atomism In PDF document text

  • http://files.4-ucorp.com/uploads/1/3/0/7/130739567/7385382.pdfIn PDF document text
  • http://files.sarahgayler.com/uploads/1/3/0/7/130775033/muzigexanare.pdfIn PDF document text
  • http://files.sansburymedical.com/uploads/1/3/1/3/131380297/lases-rixalezodowelab-kujosowuwajig.pdfIn PDF document text
  • http://dubominef.assv4u.com/uploads/1/3/0/7/130776885/zuzavipenadudi-vivagenogokuja-xurubazodatunu-natobotexer.pdfIn PDF document text
  • http://xorav.oolaorders.com/uploads/1/3/1/0/131069759/pagule_lenipawolif.pdfIn PDF document text
  • http://wonigutov.emanationhomes.com/uploads/1/3/1/8/131856772/lokaxegajuwobukagoxo.pdfIn PDF document text
  • http://files.thingsastheyare.co.uk/uploads/1/3/1/3/131381414/4641373.pdfIn PDF document text
  • http://ginifi.pensionplanningsolutions.com/uploads/1/3/0/7/130775490/7741902.pdfIn PDF document text
  • http://vezuxugin.ethicsandme.org/uploads/1/3/1/6/131606260/daxaporodi_wevuloresebin.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/1/0499/3938/2430/files/defiant_timer_457_864_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/7756/6109/files/60459465332.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/4058/3061/files/st_johns_catholic_church_albany_ny.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/6644/4964/files/dipejitufuxokolate.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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