Malicious PDF — malware analysis report

Heuristics 5

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://traffset.ru/aws?keyword=international+tax+seminar+2020 PDF link annotation

  • https://vimiwegom.weebly.com/uploads/1/3/0/7/130775837/4326943.pdfIn PDF document text
  • https://xodetawutal.weebly.com/uploads/1/3/0/7/130774968/bb10ca303.pdfIn PDF document text
  • https://firedisivimi.weebly.com/uploads/1/3/0/9/130969818/nupabedetapibu.pdfIn PDF document text
  • https://rugeponejap.weebly.com/uploads/1/3/4/4/134487210/setarom-gemetaxiw-kowomakibugunak-nezaxita.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/917781.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://fovodifikade.files.wordpress.com/2020/11/dabixitugijokomaniberos.pdfIn PDF document text
  • https://tobaluli.files.wordpress.com/2020/11/beginner_piano_pop_songs.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b5852b51-eff7-492f-8e8c-fbf30d7ce81c/envision_math_grade_2_workbook.pdfIn PDF document text
  • https://manetomimexa.files.wordpress.com/2020/11/68091325827.pdfIn PDF document text
  • https://tosigipagop.files.wordpress.com/2020/11/american_english_file_2_workbook_second_edition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/937f4108-395e-4067-b789-78df915821d5/figumevoxipolosijosovam.pdfIn PDF document text
  • https://wobevajivujo.files.wordpress.com/2020/11/74141093474.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c48b128a-46a9-400f-a6b3-2484f26ae7d9/xozajafa.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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