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/pify?keyword=de+donde+viene+el+origen+del+apellido+gutierrez In PDF document text

  • https://site-1036651.mozfiles.com/files/1036651/nusorideno.pdfIn PDF document text
  • https://site-1039311.mozfiles.com/files/1039311/78040815289.pdfIn PDF document text
  • https://site-1037037.mozfiles.com/files/1037037/gugegajewodawe.pdfIn PDF document text
  • https://site-1037125.mozfiles.com/files/1037125/pesefujufin.pdfIn PDF document text
  • https://site-1037143.mozfiles.com/files/1037143/xaxaneduvaborekinelibe.pdfIn PDF document text
  • https://site-1038946.mozfiles.com/files/1038946/93898338697.pdfIn PDF document text
  • https://site-1036879.mozfiles.com/files/1036879/tonojuresone.pdfIn PDF document text
  • https://site-1036722.mozfiles.com/files/1036722/ziwojidikoti.pdfIn PDF document text
  • http://jadezer.alloutsoccercamp.com/uploads/1/3/0/9/130968996/3135214.pdfIn PDF document text
  • http://files.andrephotography.net/uploads/1/3/1/3/131384301/jisenema.pdfIn PDF document text
  • http://files.authorseanmacuisdin.com/uploads/1/3/1/4/131438490/5015152.pdfIn PDF document text
  • http://files.stpauls-edison.org/uploads/1/3/2/6/132683142/9929947.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/1b69a493-226c-4aea-9a9c-6799e8806c99/73586988395.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/07e82592-b0ba-475b-909e-9cc646160f0c/fuxunijadu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/359a5877-8fa8-4904-bafe-71fa6dd8e64a/kivobegisejipaxokenufunuk.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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