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.
• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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/123?keyword=combine+files+in+pdf+free+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4372723/normal_5f891252f1ce6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374860/normal_5f8ac73fe4787.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404757/normal_5f92c13d5117a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366628/normal_5f87380638381.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366399/normal_5f895e88ae0f0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367635/normal_5f88922f29836.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366623/normal_5f8733862179b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384028/normal_5f911f59e6088.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367951/normal_5f9094f96b3a1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368745/normal_5f9332fdc6268.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380380/normal_5f8c16c60b715.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375210/normal_5f8aeecd7c021.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008b08.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008b08.bin)
  • https://uploads.strikinglycdn.com/files/ac251867-573c-4a4f-8b7b-550b752bf3ac/85125588314.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/57d69d2f-8dd3-432f-91bd-30289327a950/35768426379.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/76577909-550d-42b9-9070-da2be659075e/zexediwuk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f2ffd5c9-9a1c-4b6a-94b9-0d6cdd5a46ef/24411277640.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/36f3467d-4e1e-44b8-83ad-be5c3b4fb035/7599879362.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d1b68035-a8aa-407c-91fa-89ea0669b952/japan_av_torrent.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e5903a71-2ddc-44b7-a1b6-d04f856b124c/jilabakolinunilenog.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f27892ea-f62e-482e-8d85-2b5d2fbd5ed5/33562694300.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 extracted file (font_00_sfnt_off00008b08.bin)

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