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/123?keyword=sicko+mode+lyrics%25EF%25BF%25BC In PDF document text

  • https://naxedomabaxa.weebly.com/uploads/1/3/1/6/131606472/5952683.pdfIn PDF document text
  • https://panidulupeju.weebly.com/uploads/1/3/0/9/130969186/jadurekofetuvedu.pdfIn PDF document text
  • https://digonowokeke.weebly.com/uploads/1/3/1/8/131856318/xirawi-ribuzetizug-falugasixim-vikit.pdfIn PDF document text
  • https://xawuwotogot.weebly.com/uploads/1/3/2/6/132695388/8827475.pdfIn PDF document text
  • https://tarirubawapub.weebly.com/uploads/1/3/1/6/131606173/tijisozakure_kifimazufafi.pdfIn PDF document text
  • https://gonoloxezejuje.weebly.com/uploads/1/3/1/4/131410007/4a201c1b1.pdfIn PDF document text
  • https://tajurasexir.weebly.com/uploads/1/3/1/6/131606020/rovepu_danod_muburukupe.pdfIn PDF document text
  • https://gevafitasib.weebly.com/uploads/1/3/1/3/131380901/c25f730.pdfIn PDF document text
  • https://pidofuvu.weebly.com/uploads/1/3/0/7/130739764/fb60bc7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369328/normal_5f9163f5cb39f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368970/normal_5f903cafcc4a3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384325/normal_5f93152c62bfc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382952/normal_5f8b916638144.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368226/normal_5f8b83e226753.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367286/normal_5f95282b8f422.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393785/normal_5f9746227cb2a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370285/normal_5f90f4265ccba.pdfIn PDF document text
  • http://www.opentle.orgIn extracted file (stream_005_off00008345.bin)
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000071da.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000071da.bin)
  • https://uploads.strikinglycdn.com/files/b14f85c1-5223-4831-8aa0-68ef73ea2e0e/dutijelenanexogekuzerajap.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8470898a-6c65-48a9-af6a-4b2221c2f478/walegedejiw.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://www.gnu.org/licenses/gpl.htmlIn extracted file (stream_005_off00008345.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off000071da.bin)

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