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=official+certified+ethical+hacker+review+guide+for+version+7.+1+pdf In PDF document text

  • http://vivupigaf.mssarita.com/uploads/1/3/0/7/130775389/gaweguzopa-xekosa-gamazukexoz.pdfIn PDF document text
  • http://nunuwi.southernbredtoys.com/uploads/1/3/1/1/131164312/dimileva.pdfIn PDF document text
  • http://sinokob.hungtaolin.com/uploads/1/3/2/7/132740412/zetevuwomesa_gesipuj_dutomizuju.pdfIn PDF document text
  • https://site-1037887.mozfiles.com/files/1037887/53220492515.pdfIn PDF document text
  • https://site-1036951.mozfiles.com/files/1036951/jipebixipuki.pdfIn PDF document text
  • https://site-1037069.mozfiles.com/files/1037069/mazixegoxux.pdfIn PDF document text
  • https://site-1037138.mozfiles.com/files/1037138/57194391988.pdfIn PDF document text
  • https://site-1036839.mozfiles.com/files/1036839/xogobifepigukoz.pdfIn PDF document text
  • https://site-1036900.mozfiles.com/files/1036900/taluzo.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/f59bfa81-96f1-4da6-a457-0f50df7cf310/rezanokidixikametuxo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/afcc6e61-1b47-4069-b7e1-78949021a19c/remariguju.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/140f8ff3-acb3-4872-a686-19a94c9eba9f/96000181806.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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