Malicious PDF — malware analysis report

Heuristics 5

• 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.
• PDF carries website-builder CDN document link farm medium PDF_CDN_PDF_LINK_FARM
  PDF contains many clickable PDF links parked on website-builder CDNs or simple download gateways together with visible ebook, manual, or download lure text. This matches generated SEO document carriers used to route users through untrusted link/download chains; the PDF itself is an inert link carrier.
• 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/123?keyword=rome+travel+guide+pdf PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4393503/normal_5f90ad938d6a6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370076/normal_5f93ec4e0f2b9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366376/normal_5f8b91b0326a1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4418764/normal_5f9b931a22868.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403689/normal_5fa23b2f245dc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365636/normal_5f90a1889923e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405184/normal_5f9bb079d1d0c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373264/normal_5f8cf4da99568.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4418778/normal_5f98ea9e340db.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007220.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007220.bin)
  • https://uploads.strikinglycdn.com/files/1ea9b04b-e494-42a3-9ba0-7d70ce37fb82/81750207581.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c693e87c-459e-4aba-af44-8068fc4fb1b4/13728901482.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c782293d-6f4e-4354-acca-c9e038e605f4/rabifutuxupedabipizeraga.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6ea6cf57-b597-48ed-a648-f87abc69c6ab/65828345167.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_off00007220.bin)

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