Malicious PDF — malware analysis report

Heuristics 4

• 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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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://cctraff.ru/strik?keyword=how+to+analyse+company+balance+sheet+pdf In PDF document text

  • http://kuzivo.thelaurawilson.net/uploads/1/3/1/3/131379312/mezawalikel.pdfIn PDF document text
  • http://files.croissantandcovenice.com/uploads/1/3/1/0/131070336/fuzozonesira_dokejabikimuwo_xavixubobososa.pdfIn PDF document text
  • http://panipoxur.buttehomelesscoc.com/uploads/1/3/2/8/132814241/papeveziberojugune.pdfIn PDF document text
  • http://mavizufag.thebodycoalbury.com/uploads/1/3/0/8/130874620/7107c.pdfIn PDF document text
  • http://files.vcgallery.org/uploads/1/3/1/8/131856381/rokererukirejakifu.pdfIn PDF document text
  • http://files.residence-oasi.com/uploads/1/3/2/7/132741693/e555237741.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/02a3645d-1a9d-4efc-a1f2-a394e651101c/32151217699.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/462dd598-459f-47fe-b95f-08f84875c9e1/4789388649.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/136dbd6e-3f6c-4e18-a9c9-0defe9246086/62976220145.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c794f3b3-d1f7-41fc-9602-10cfb50ff6a7/8152986205.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6193fc2d-cfd7-45ad-848b-c39aadb4aa78/92770972415.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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