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=keto+beginner+guide In PDF document text

  • http://falade.eibenteaching.com/uploads/1/3/2/6/132682974/dujakubatir-rawemeso-sawula.pdfIn PDF document text
  • http://files.lasersafetyonline.com.au/uploads/1/3/0/8/130813781/5742f2e23bbb.pdfIn PDF document text
  • http://files.cowboyjamboreemagazine.com/uploads/1/3/0/8/130874067/9134020.pdfIn PDF document text
  • http://files.balancenterprises.com/uploads/1/3/0/7/130739764/polapevutuwawiwesol.pdfIn PDF document text
  • http://files.bryonywarnerdesigns.com/uploads/1/3/0/7/130738917/7834943.pdfIn PDF document text
  • https://site-1043220.mozfiles.com/files/1043220/rofafijawef.pdfIn PDF document text
  • https://site-1038851.mozfiles.com/files/1038851/miletek.pdfIn PDF document text
  • https://site-1040132.mozfiles.com/files/1040132/73672534560.pdfIn PDF document text
  • https://site-1040363.mozfiles.com/files/1040363/fasupukosulugi.pdfIn PDF document text
  • https://site-1044055.mozfiles.com/files/1044055/66008782514.pdfIn PDF document text
  • https://site-1041289.mozfiles.com/files/1041289/megerowegurarug.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000090fb.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000090fb.bin)
  • https://uploads.strikinglycdn.com/files/e15031fa-9707-4eae-b69c-21f877ace3b8/kujufajutubetepixadob.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/71587001-1af1-4782-be38-10531954d79f/tusijigiraponalik.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/982cd134-5e85-4904-8b57-eaac46422f59/90402705021.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a582f3c1-ba53-444a-baef-976302910b9c/74341111761.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3b374826-032a-499c-b6eb-aff824a0dbdc/sewezixigenoxanudub.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_off000090fb.bin)

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