Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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://trafffi.ru/aws?keyword=bogus+crossword+answer PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4379610/normal_5f95eaddd32c6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4427781/normal_5fa3330032525.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380854/normal_5f8ceaf61d0bd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4420468/normal_5f970b2f601e6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365562/normal_5f9facdd32c41.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409797/normal_5f9cf5dfc69a3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366384/normal_5f8ff166066d7.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/5b2e2712-12d8-47b7-801d-8ef7d41d53c7/300_blackout_reloading_data_hornady.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2a008817-7761-4691-bcf8-c17f9951cf0c/mets_wallpaper_android.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/573b6c04-8be1-4c2d-9347-107cf0067989/xikuwajurivaba.pdfIn PDF document text
  • https://ribowazakas.files.wordpress.com/2020/11/97689997320.pdfIn PDF document text
  • https://jarakapirapi.files.wordpress.com/2020/11/mount_and_blade_1.172.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/581f7fa8-40d8-4b62-9415-741fc6dd1b43/10486830324.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f14b4594-8bd1-4114-90bf-1cd0e6e68414/tizopufolov.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b9dbb1bb-d012-4af4-8c66-6b33b0953b9c/kuzuvesujutopowi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8bf965a2-fd93-4398-a970-3d3f8a7bf884/74402430858.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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