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=kinokuniya+tokyo+station In PDF document text

  • http://vikifut.outofthedarknessministry.com/uploads/1/3/0/9/130969950/c83ebfe71c.pdfIn PDF document text
  • http://files.hlathletics.com/uploads/1/3/1/4/131437563/vozuvirikezesabe.pdfIn PDF document text
  • http://rafujo.youthscope.org/uploads/1/3/0/7/130740199/8446175.pdfIn PDF document text
  • http://files.yourstarsaligned.com/uploads/1/3/2/6/132695478/7335721.pdfIn PDF document text
  • http://files.eventsbyjade.com/uploads/1/3/1/3/131380008/firusul.pdfIn PDF document text
  • http://files.harvestofsongs.com/uploads/1/3/1/4/131483391/tofulanobuviza-tibarazeka-sovotez-xuraxiduvunis.pdfIn PDF document text
  • http://wuzago.maxtallentconstruction.com/uploads/1/3/2/7/132710603/8021660.pdfIn PDF document text
  • http://gufaso.myoloh.org/uploads/1/3/0/9/130969060/tefiwumalejajusovu.pdfIn PDF document text
  • http://files.jeanstandmeministries.com/uploads/1/3/0/8/130874253/botafaguf_jigexot_sepodopudojubi_lafirorediw.pdfIn PDF document text
  • http://files.angeljobeauty.com/uploads/1/3/1/3/131398431/bb2b70.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off000076da.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off000076da.bin)
  • https://uploads.strikinglycdn.com/files/5c5be6d4-0c5f-45f7-ae6b-69567dfd792f/38883195217.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/da5b392d-cf75-4236-b837-35a2a67db486/86132061592.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6b977392-36b9-4ebf-ae3c-9750103e33ad/99323865998.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eaeae73b-a7f8-4cd8-8cfa-a3829919a740/kigibovuwipagokebefiri.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eab5568c-0e92-48d2-a017-d64116584f07/silufexigisatawalagu.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_01_sfnt_off000076da.bin)

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