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://cctraff.ru/strik?keyword=eso+daggerfall+quest+guide In PDF document text

  • http://saxawan.ambrosechiropracticcare.com/uploads/1/3/1/3/131380344/490d8.pdfIn PDF document text
  • http://files.matej-cerne.com/uploads/1/3/0/7/130776077/temaxi-gategali.pdfIn PDF document text
  • http://povud.kbc-ministries.org/uploads/1/3/1/3/131398345/168d2deb7b93f7c.pdfIn PDF document text
  • http://files.cedarvalleyhandyman.com/uploads/1/3/1/8/131856191/rukopivirogapi.pdfIn PDF document text
  • http://mipurux.saralazzaroni.com/uploads/1/3/1/6/131606027/496ee76619ed8.pdfIn PDF document text
  • http://files.edocig.com/uploads/1/3/0/7/130775565/7415937896e0e.pdfIn PDF document text
  • http://dapabujun.greyingrassia.com/uploads/1/3/0/7/130776763/9473846.pdfIn PDF document text
  • http://files.appledentaleducation.com/uploads/1/3/1/4/131406222/pofetenej_xurimilevezo_xefodelegezo_wafabebazezarol.pdfIn PDF document text
  • http://kojer.naifamt.org/uploads/1/3/0/8/130874063/nokofejakos_dikuganolalir_gupuvafu.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005a34.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005a34.bin)
  • https://uploads.strikinglycdn.com/files/20029863-a469-4155-9132-fbcd4cfc8710/2950408773.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/71fdf097-a434-4d3d-b3f2-42e64f054134/rerakawu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d6733a80-a195-437d-abd1-57580708eb2f/duxejakorilosuj.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 extracted file (font_00_sfnt_off00005a34.bin)

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