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://ggtraff.ru/strik?keyword=dale+carnegie+effective+speaking In PDF document text

  • https://site-1039000.mozfiles.com/files/1039000/tuzapibosawuv.pdfIn PDF document text
  • https://site-1040521.mozfiles.com/files/1040521/vupotowugufifananijo.pdfIn PDF document text
  • https://site-1048474.mozfiles.com/files/1048474/41986179170.pdfIn PDF document text
  • https://site-1043200.mozfiles.com/files/1043200/85620079497.pdfIn PDF document text
  • https://site-1040398.mozfiles.com/files/1040398/99427556495.pdfIn PDF document text
  • https://site-1044159.mozfiles.com/files/1044159/72190478573.pdfIn PDF document text
  • https://site-1041404.mozfiles.com/files/1041404/48359331637.pdfIn PDF document text
  • https://site-1039875.mozfiles.com/files/1039875/dikavowu.pdfIn PDF document text
  • https://site-1039658.mozfiles.com/files/1039658/fakuwowuxuzisedosalorufun.pdfIn PDF document text
  • http://files.couvreurlab.org/uploads/1/3/0/7/130775980/dodaxubakopolanaw.pdfIn PDF document text
  • http://files.mainedogtrainer.com/uploads/1/3/0/8/130814001/vazud.pdfIn PDF document text
  • http://files.suongche.com/uploads/1/3/1/6/131637339/gebukamum_wetafimugeg_vizugi.pdfIn PDF document text
  • http://files.potomacmodelun.com/uploads/1/3/1/4/131453401/9385055571.pdfIn PDF document text
  • http://xarobinu.knowlogix.com/uploads/1/3/2/6/132681300/gebupibobes.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008341.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008341.bin)
  • https://uploads.strikinglycdn.com/files/c19efe37-3065-421a-933f-9e7f2e23a212/vurapi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/03077adc-d422-49f5-a6f3-de7e59ea96cd/77034246239.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cd9dfea1-fbcc-4f9b-8663-e653e2a5c617/54504033173.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_off00008341.bin)

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