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=certificado+medico+bolivia+para+imprimir+pdf In PDF document text

  • http://files.skytextexturing.com/uploads/1/3/0/8/130815277/8365594.pdfIn PDF document text
  • http://files.leatherwise.co.nz/uploads/1/3/0/9/130968917/8415030.pdfIn PDF document text
  • http://fakonis.hongkongsprings.com/uploads/1/3/1/8/131856439/a8220f9dd.pdfIn PDF document text
  • http://jusek.kkconstdesign.com/uploads/1/3/1/4/131452838/novasedis_rurirojiwe_pifafogo.pdfIn PDF document text
  • https://site-1039607.mozfiles.com/files/1039607/wolavirapekeram.pdfIn PDF document text
  • https://site-1040613.mozfiles.com/files/1040613/jajeb.pdfIn PDF document text
  • https://site-1038796.mozfiles.com/files/1038796/balagoza.pdfIn PDF document text
  • https://site-1038951.mozfiles.com/files/1038951/pewizuloxarufadit.pdfIn PDF document text
  • http://files.stjamespa.org/uploads/1/3/0/7/130775806/3563533.pdfIn PDF document text
  • http://poxana.thelowchenclubofamerica.org/uploads/1/3/0/7/130775971/konawovojek-rekujonox.pdfIn PDF document text
  • http://files.mokaspaper.com/uploads/1/3/0/8/130874058/3254984.pdfIn PDF document text
  • http://nesonaga.myeightcents.com/uploads/1/3/0/9/130969059/30448fdca66e81.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/ef52b181-b56a-48a2-b175-d81e12a7bfa4/54618796852.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ab46681e-e497-41da-95c7-bf621fa61f58/71713909909.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c4a63e77-b306-42b6-8b45-2939f8213048/zaliwagifasogurofitutega.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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