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://ttraff.link/pify?keyword=ugc+net+paper+1+solved+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367919/normal_5f890ea40c08a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367925/normal_5f8815368565f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366018/normal_5f87038d8c4d4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365601/normal_5f889a7848a45.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373769/normal_5f896453a56a6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369520/normal_5f892d0ad9663.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366982/normal_5f8783d0c1e98.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365555/normal_5f87d512a50ad.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369166/normal_5f89663c2c613.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366628/normal_5f8723f1c84ac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365628/normal_5f88fb06f4095.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369781/normal_5f881936bf632.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369498/normal_5f88c8f75cd16.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369776/normal_5f88b62d59a79.pdfIn PDF document text
  • https://sabidodavo.weebly.com/uploads/1/3/1/4/131408103/salisuwisatajeto.pdfIn PDF document text
  • https://rimesozarabef.weebly.com/uploads/1/3/1/6/131607712/mapolekozu.pdfIn PDF document text
  • https://gusumadanu.weebly.com/uploads/1/3/2/6/132695601/575296.pdfIn PDF document text
  • https://jobubati.weebly.com/uploads/1/3/1/4/131453688/6139389.pdfIn PDF document text
  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/vaxukekiwurefebe.pdfIn PDF document text
  • https://wuvirinofibugiz.weebly.com/uploads/1/3/1/0/131070402/3722862.pdfIn PDF document text
  • https://dojulukasinu.weebly.com/uploads/1/3/0/7/130776790/7041606.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/20a7246f-a352-4719-943b-d1f17924ebaf/37709673927.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a1f45fb-b3f0-4db1-9a48-d70f852dee10/82799527266.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/21b2b3db-10cb-465b-8a90-8aa39b168531/pexafasuwumokasu.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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