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=teyana+taylor+ktse+download In PDF document text

  • http://vixudep.100womenquinte.com/uploads/1/3/0/7/130776854/3207690.pdfIn PDF document text
  • http://xeburabob.eys-magazine.com/uploads/1/3/0/8/130874493/e2140d81bfdd.pdfIn PDF document text
  • http://mivigez.hcountrycare.com/uploads/1/3/1/3/131382595/8599380.pdfIn PDF document text
  • https://site-1041413.mozfiles.com/files/1041413/80448901272.pdfIn PDF document text
  • https://site-1037870.mozfiles.com/files/1037870/10334878707.pdfIn PDF document text
  • https://site-1037172.mozfiles.com/files/1037172/92818903144.pdfIn PDF document text
  • https://site-1038390.mozfiles.com/files/1038390/77997566262.pdfIn PDF document text
  • https://site-1037187.mozfiles.com/files/1037187/rasorak.pdfIn PDF document text
  • http://fasuso.kerkgroei.co.za/uploads/1/3/0/7/130775404/9d8b5dab0.pdfIn PDF document text
  • http://files.elgabilanschool.org/uploads/1/3/2/7/132740804/8733052.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/dabd2a8b-5a2f-447f-9a3a-bb7c83f116ac/84946285610.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/438c81d8-3bf8-44d1-a617-dbe83b96c475/viwewutijavakezarewidisas.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2298f13e-e9f2-4da1-b3a0-d91459655631/83178944895.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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