Malicious PDF — malware analysis report

Heuristics 5

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://jacksth.ru/wix?keyword=comic+stars+fighting+3.6+hacked+y8 PDF link annotation

  • https://newekozowoni.weebly.com/uploads/1/3/0/7/130738578/9105082.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4496616/normal_5fdc34d5619d5.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4415527/normal_5fca08538ce3c.pdfIn PDF document text
  • https://cdn.sqhk.co/tuminageka/bia3hbn/rugazujopafedokeziresurad.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374696/normal_5fd894e4a20b3.pdfIn PDF document text
  • https://cdn.sqhk.co/zefipuvuwifi/Q4MrShg/red_balloon_horse_riding_blue_mountains.pdfIn PDF document text
  • https://rowopubogapog.weebly.com/uploads/1/3/4/2/134234702/gidawomunoko.pdfIn PDF document text
  • https://cdn.sqhk.co/bupewazadufa/9NRgemZ/66742501268.pdfIn PDF document text
  • http://ctyr.ru/50801117659ze4rw.pdfIn PDF document text
  • https://cdn.sqhk.co/waxigapo/ghjenxA/jobs_and_occupations_worksheets_for_kindergarten.pdfIn PDF document text
  • https://dirifulezidume.weebly.com/uploads/1/3/2/7/132740871/c4cf97.pdfIn PDF document text
  • https://cdn.sqhk.co/dokadajij/dqhhRxA/2000246330.pdfIn PDF document text
  • https://cdn.sqhk.co/gasajolop/exihQyw/lelugovir.pdfIn PDF document text
  • https://gepogixuzusesil.weebly.com/uploads/1/3/3/9/133999736/4394745.pdfIn PDF document text
  • https://boxijobanopuvob.weebly.com/uploads/1/3/0/7/130739783/01adf613.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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