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://gettraff.ru/strik?keyword=simple+present+tense+examples+sentences+pdf+in+hindi In PDF document text

  • http://files.geostructuralengineering.com/uploads/1/3/1/4/131407629/6443860.pdfIn PDF document text
  • http://files.rbjewellery.co.uk/uploads/1/3/1/4/131406505/dotutumabasoti.pdfIn PDF document text
  • http://nepaxu.yesindustrialsupply.com/uploads/1/3/0/9/130969280/212746d.pdfIn PDF document text
  • http://files.dbfloristofhouston.com/uploads/1/3/2/7/132740338/bf479c.pdfIn PDF document text
  • https://site-1039873.mozfiles.com/files/1039873/73325311189.pdfIn PDF document text
  • https://site-1040048.mozfiles.com/files/1040048/32517047405.pdfIn PDF document text
  • https://site-1037282.mozfiles.com/files/1037282/pojotujebevodinareponewij.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/66d047b4-0393-45df-a33b-8f44efab1f92/29276947037.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e0a44b6d-ae41-4b07-90ff-a85e73569c6a/kutewuni.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/abc85182-b337-442f-aae9-779ee846ef05/xiwarafawapa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/79ed969d-e64f-4262-bff2-e2a1348bdbe6/36424448054.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8fcc8054-3210-47c3-b87f-fe1c1fec436a/wipanutapojagebuwuwedujo.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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