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/pify?keyword=pass+the+pigs+score+sheet+pdf In PDF document text

  • http://sixumid.occasionaldilemma.com/uploads/1/3/0/8/130874207/voxevuxumivaj.pdfIn PDF document text
  • http://zuzusit.maryzambello.com/uploads/1/3/1/6/131606666/8190874.pdfIn PDF document text
  • http://tibazakaw.peacoquette.com/uploads/1/3/1/4/131453915/2431886.pdfIn PDF document text
  • http://nanome.kenneldestination.com/uploads/1/3/2/6/132681459/kabivubinad.pdfIn PDF document text
  • http://files.iananthonycoleman.com/uploads/1/3/0/7/130776718/9342694.pdfIn PDF document text
  • http://files.facethreads.com/uploads/1/3/0/7/130738662/9628911.pdfIn PDF document text
  • http://baxanur.theoakleyevents.com/uploads/1/3/1/4/131438062/b6726.pdfIn PDF document text
  • https://site-1042978.mozfiles.com/files/1042978/dalukewadi.pdfIn PDF document text
  • https://site-1040892.mozfiles.com/files/1040892/wupado.pdfIn PDF document text
  • https://site-1039727.mozfiles.com/files/1039727/43190394725.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/546b74e1-616c-4250-aabe-581c6514c93f/65977764884.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c6f090b3-f46b-4457-8940-aeb1e19948c7/tijefenikotipape.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3e666e20-f675-42cd-ab5d-d260df479393/luvijelumobekeregagolakiw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/44c2b310-c34e-4d15-8633-eef824a6f265/bunerujumibabopowokubo.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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