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://trafftec.ru/aws?keyword=guru+dronacharya+vadh+in+mahabharat PDF link annotation

  • https://vopevejefed.weebly.com/uploads/1/3/1/6/131606133/7049741.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366389/normal_5f8987b1e1dd6.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://kufoboge.files.wordpress.com/2020/11/85827944085.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9e3150db-7f63-43ec-b51e-04efdef6ab80/sansa_clip_jam_user_manual.pdfIn PDF document text
  • https://nudiverid.files.wordpress.com/2020/11/72222428130.pdfIn PDF document text
  • https://xafatukakafu.files.wordpress.com/2020/11/chikatilo_nishi_rathri_lo_audio_song.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6b22d6d7-2d6b-4abc-8337-081a04d7d27d/30773383113.pdfIn PDF document text
  • https://pupirod.files.wordpress.com/2020/11/nozemapopumetuve.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/02602561-7e2a-4eeb-8c22-aac0a1562f57/fossil_digital_watch_instructions_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9356a764-ab6d-4673-9235-8b050ad9dd40/23842710851.pdfIn PDF document text
  • https://solavaje.files.wordpress.com/2020/11/zedutasotisawafunob.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/41d48d8a-5542-4d93-80e4-6afae4f9d50a/41749567700.pdfIn PDF document text
  • https://fojalotidunu.files.wordpress.com/2020/11/mp3_fon_mzii_indir.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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