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.
• 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=baseball+card+price+guide+2020 PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4381531/normal_5f997988af9b7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4464715/normal_5fa378101b72e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379473/normal_5f9be877d99fe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365601/normal_5f8717fb49a6f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366965/normal_5f8d73fd41dea.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367951/normal_5f876563392a4.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://dinevuwe.files.wordpress.com/2020/11/evh_5150_iii_lbx_ii_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/divelatoxa/husky_tools_warranty_number.pdfIn PDF document text
  • https://s3.amazonaws.com/jitimesolagun/sushi_party_chef.pdfIn PDF document text
  • https://s3.amazonaws.com/wisatutadi/pathfinder_2e_buy.pdfIn PDF document text
  • https://s3.amazonaws.com/gurafoga/15557565585.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/51051135661.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bcac0a8e-ff1a-4881-b68f-1d6694c5945f/95473050185.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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