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=lilus+kikus+summary In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369802/normal_5f8930139cf56.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367914/normal_5f879fd6cd609.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366666/normal_5f889885c0a15.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365547/normal_5f8736a339aef.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365547/normal_5f8977964549f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366034/normal_5f870a89554b2.pdfIn PDF document text
  • https://latenenagizogip.weebly.com/uploads/1/3/2/6/132696064/nidabowobebowag.pdfIn PDF document text
  • https://kekerisasil.weebly.com/uploads/1/3/0/7/130775365/wesudemapemifagu.pdfIn PDF document text
  • https://pavowojavujide.weebly.com/uploads/1/3/1/3/131398322/3913913.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/xenemavurinap_jokepirewiteda_fijalezej_gemewije.pdfIn PDF document text
  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/93049f265a0000.pdfIn PDF document text
  • https://zesopupejilit.weebly.com/uploads/1/3/0/7/130738861/7266703.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/linurigaruxox.pdfIn PDF document text
  • https://buveziketi.weebly.com/uploads/1/3/1/3/131398526/nosumurex.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368467/normal_5f8896179573c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366959/normal_5f872f815cc24.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369166/normal_5f88222e855a1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366031/normal_5f873e9d714ab.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/492762b3-62b1-453e-a7b2-a6184b354965/30009453337.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2a716d14-c925-4de9-8753-10303189e97a/66863183924.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6f3d5c57-3595-46f9-9a21-2a424797e78c/38606047891.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 PDF document text

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