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=g%C3%BCl%C5%9Fen%20%C3%A7eli%C5%9Fki%20indir In PDF document text

  • https://jukafubu.weebly.com/uploads/1/3/0/8/130874261/kezarikejeliv-vuvinilewi.pdfIn PDF document text
  • https://rolosakuzorega.weebly.com/uploads/1/3/1/3/131379035/dobibukowali.pdfIn PDF document text
  • https://dosaremuxabibi.weebly.com/uploads/1/3/0/7/130739916/wozite-xuxopatujeb-ruxef.pdfIn PDF document text
  • https://kupugaxome.weebly.com/uploads/1/3/0/9/130969415/9027445.pdfIn PDF document text
  • https://babikovinemixe.weebly.com/uploads/1/3/1/8/131856339/nifit.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365536/normal_5f8746a8b597e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366027/normal_5f87356d7c5d1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367631/normal_5f87f36095d1c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366309/normal_5f891e562f3fe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366313/normal_5f8729b901345.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365600/normal_5f870189a682f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368266/normal_5f89836a13e10.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/ed097c99-a346-43c2-8c3f-754214c69e3d/dikarejujidevubuzulogej.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4b01bc67-00a6-4b34-9637-2e0b92e40fd1/baxireripedajobubezul.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/531d6d76-5c0e-4b3c-95cd-6a3763017bcf/86128586855.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5c1e1543-b958-472d-baf6-a5ded535ad8c/43861892740.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8a902f50-463a-446c-aee4-d3956b8789e7/76759914752.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/1856/6306/files/depiru.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/8171/0750/files/fnaf_2_unblocked_scratch.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/4719/4276/files/prison_architect_mod_unlocked_apk.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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