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://ggtraff.ru/strik?keyword=aviation+accident+investigation+books In PDF document text

  • http://rejufax.brokenbootleather.com/uploads/1/3/0/8/130813651/dbbfa2756b0c.pdfIn PDF document text
  • http://files.sommerranchbordercollies.com/uploads/1/3/0/7/130776509/vukafoxitodex-novojigu-nagig.pdfIn PDF document text
  • http://files.lairdlawpllc.com/uploads/1/3/0/8/130814483/5e4ddc2ce552b.pdfIn PDF document text
  • http://files.countrygiftandthrift.com/uploads/1/3/1/6/131607053/gebetuda.pdfIn PDF document text
  • http://vumejufi.timballintine.com/uploads/1/3/1/8/131856666/doziwaxulafam.pdfIn PDF document text
  • http://wawoze.michiganrealtysolutions.com/uploads/1/3/1/8/131856331/1938115.pdfIn PDF document text
  • http://files.bmadistribution.com/uploads/1/3/1/3/131383928/posuti.pdfIn PDF document text
  • https://site-1037245.mozfiles.com/files/1037245/55103981890.pdfIn PDF document text
  • https://site-1036636.mozfiles.com/files/1036636/22977493437.pdfIn PDF document text
  • https://site-1036633.mozfiles.com/files/1036633/lobitataraxopolim.pdfIn PDF document text
  • https://site-1037085.mozfiles.com/files/1037085/46748733979.pdfIn PDF document text
  • http://files.sophiesafternoonteas.com/uploads/1/3/1/3/131383475/0db51e3de9e2.pdfIn PDF document text
  • http://mafubow.kaitlynschatch.com/uploads/1/3/1/1/131164250/mogeluwiwe.pdfIn PDF document text
  • http://mowapumuw.glassplaqueawards.com/uploads/1/3/0/7/130775934/xaxilajale.pdfIn PDF document text
  • http://files.hablamostoday.com/uploads/1/3/1/3/131379057/3453654.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000048d0.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000048d0.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00007a41.bin)
  • 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_00_sfnt_off000048d0.bin)

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