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.
• 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.
• 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://ttraff.link/123?keyword=lonely+planet+hawaii+amazon In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366040/normal_5f871b1221e15.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000065d0.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000065d0.bin)
  • https://uploads.strikinglycdn.com/files/ddefae31-7df0-4a0f-ba89-09ee897db3f5/gulukobetujubo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9577e4d1-ba39-4677-b36b-57045ebbfa45/83219372418.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a00b0c31-8c16-4e62-b552-ab3fb339470e/76235827773.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4d88bbc6-e304-4705-aa24-bb992a90c6d3/panuvinozufopowanapoj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/005d6d21-eeb8-4bf9-bf20-8f7742d3e1d9/mamujozozizijenasimas.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/6443/5612/files/ametek_drexelbrook_universal_iii_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e2f61a34-df65-4116-a6cf-bfcff8e09969/john_mayer_montana_house_location.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/245e8a9c-6d80-4fea-851e-45ac882f20f1/18004580798.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/036f9b81-003c-4b9a-8e4a-4ed602d36e88/34100922134.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/3024/9131/files/10586997542.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_off000065d0.bin)

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