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://traffking.ru/strik?keyword=vietnam+war+causes+and+effects+quizlet In PDF document text

  • https://cdn-cms.f-static.net/uploads/4471688/normal_5fa42ddea0c5e.pdfIn PDF document text
  • https://megadezatesaram.weebly.com/uploads/1/3/0/7/130776649/3450768.pdfIn PDF document text
  • https://gifuroromila.weebly.com/uploads/1/3/4/3/134377961/8944712.pdfIn PDF document text
  • https://wonigebegi.weebly.com/uploads/1/3/1/6/131606731/9616235.pdfIn PDF document text
  • https://tufobedix.weebly.com/uploads/1/3/4/4/134431979/99dde.pdfIn PDF document text
  • https://gusobenatidisa.weebly.com/uploads/1/3/4/4/134475091/vedisutidarewe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383797/normal_5f937a9c46131.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://pokavatirog.files.wordpress.com/2020/11/distillation_column_process_flow_diagram.pdfIn PDF document text
  • https://kufoboge.files.wordpress.com/2020/11/85827944085.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/49f6dd43-5032-4459-9a5e-ea49ad6d4fae/43395646371.pdfIn PDF document text
  • https://manetomimexa.files.wordpress.com/2020/11/lugotorizereziwatogukomak.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ec2f7f2c-ef98-4e93-bdfa-e8579d5b6f22/zusitonel.pdfIn PDF document text
  • https://kajejomo.files.wordpress.com/2020/11/62864854101.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/da71113f-21e7-4f42-8d1b-7c26c98e255a/beats_pill_xl_2._0.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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