Malicious PDF — malware analysis report

Heuristics 4

• 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 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=cardiomiopat%25C3%25ADa+periparto+pdf In PDF document text

  • https://site-1037005.mozfiles.com/files/1037005/fuxivawakoxavelo.pdfIn PDF document text
  • https://site-1037850.mozfiles.com/files/1037850/74016835923.pdfIn PDF document text
  • https://site-1037113.mozfiles.com/files/1037113/66360447741.pdfIn PDF document text
  • https://site-1036675.mozfiles.com/files/1036675/judeger.pdfIn PDF document text
  • http://wigedobos.icookyoudinner.com/uploads/1/3/1/4/131410818/gimosi-vezorirox-gebada.pdfIn PDF document text
  • http://files.golfmanorsynagogue.org/uploads/1/3/1/4/131482833/9708860.pdfIn PDF document text
  • http://favofolu.fantailphotos.com/uploads/1/3/2/6/132682659/dotolejefe.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/1/0467/7923/6505/files/rozabupejezowajep.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/7900/7398/files/banutufejaza.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/6091/2282/files/bewajefefikanusofowava.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1d641915-d363-484a-8686-dca557be185f/56478797419.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5da87def-b8f1-417f-91a3-24baebfd7382/xerike.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6153a1d9-ecfd-4c7e-ad92-5af5c623d779/49751033917.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3d8d3f40-8254-4e1a-8a81-46411bbf42a7/29457911358.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0cb29a50-3f22-49e3-843d-7987013aac19/10636044889.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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