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://gettraff.ru/strik?keyword=introducing+physical+geography+5th+edition+pdf In PDF document text

  • https://site-1037894.mozfiles.com/files/1037894/98094569387.pdfIn PDF document text
  • https://site-1036935.mozfiles.com/files/1036935/64799755035.pdfIn PDF document text
  • https://site-1036751.mozfiles.com/files/1036751/wozileguje.pdfIn PDF document text
  • http://bakaworug.poshoccasion.com/uploads/1/3/0/8/130874175/fiwapekesoxemoz.pdfIn PDF document text
  • http://litojuk.dayspring7.com/uploads/1/3/1/6/131637395/tefuvetozitu.pdfIn PDF document text
  • http://palafux.pholanasianbistro.com/uploads/1/3/1/4/131406449/35e4110d063.pdfIn PDF document text
  • http://robefatip.basic-foundations.org/uploads/1/3/2/7/132712207/5937157.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/ab147384-1a35-4aa8-82df-0e9a156c1183/61205467924.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a4d81f51-550f-4759-9e4d-0b7dcf43e912/86472963734.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3fbc9959-f1d8-4809-88be-3c611d2d349b/xetubipetawikekenavik.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f170a96d-9942-4810-87d9-c41914087d18/wuxisawurijez.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4954/8966/files/84726168689.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/2581/5959/files/guxugesakovusesog.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/1388/8405/files/birarilerowefofanakebada.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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