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/wb?keyword=optimate%206%20tm%20181%20manual In PDF document text

  • https://jasazifo.weebly.com/uploads/1/3/1/4/131437377/numevezo_dokadoxazeta_funivijuvij.pdfIn PDF document text
  • https://totobulamu.weebly.com/uploads/1/3/4/3/134310137/xurodurojal.pdfIn PDF document text
  • https://suzokixuvajix.weebly.com/uploads/1/3/0/7/130776208/5e9031dbec0ebdd.pdfIn PDF document text
  • https://lokixesope.weebly.com/uploads/1/3/1/6/131607163/logifiwakikabopef.pdfIn PDF document text
  • https://zavamemedu.weebly.com/uploads/1/3/4/3/134305249/2865496.pdfIn PDF document text
  • https://s3.amazonaws.com/wisuw/62398346002.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393353/normal_5f9a5d1493154.pdfIn PDF document text
  • https://neriborotarisim.weebly.com/uploads/1/3/4/3/134345051/zobazedokatax.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/13b7b8244c1395.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390366/normal_5f995ae172d8c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365563/normal_5f8731e7212b3.pdfIn PDF document text
  • https://zavamemedu.weebly.com/uploads/1/3/4/3/134305249/88aae2e905.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366335/normal_5f8b3b7dd02a3.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000047ac.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000047ac.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_off000047ac.bin)

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