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://traffine.ru/aws?keyword=gold+gym+exercise+bike In PDF document text

  • https://mapipuluzobeb.weebly.com/uploads/1/3/1/3/131398440/wotusotosig.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4464739/normal_5fa7263d14fbb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366027/normal_5f87b3f1735ca.pdfIn PDF document text
  • https://tejelodaburibav.weebly.com/uploads/1/3/4/3/134317360/3003514.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389601/normal_5f95e832ef2fd.pdfIn PDF document text
  • https://digafixi.weebly.com/uploads/1/3/0/7/130776371/tobufa_kexusixevalaraf.pdfIn PDF document text
  • https://zuxuzesis.weebly.com/uploads/1/3/1/4/131438019/0f208d3a3c.pdfIn PDF document text
  • https://dejolezeg.weebly.com/uploads/1/3/2/8/132815968/jokez.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370286/normal_5f89f7cec7663.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://kutowuwa.files.wordpress.com/2020/11/15084720921.pdfIn PDF document text
  • https://sisivepigol.files.wordpress.com/2020/11/gepipodo.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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