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/wix?keyword=incremental+change+is+a+moral+failure In PDF document text

  • http://zuxiteni.gameplanu.org/uploads/1/3/1/3/131383599/tirewifevifuk_ketax_taxil_kujukisu.pdfIn PDF document text
  • http://files.hkgoldendragonawards.org/uploads/1/3/2/8/132815791/01f31.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://b7d262d9-0b00-4de7-960d-e06fd1781a3b.filesusr.com/ugd/96768c_54994951020b4eb78fcbeaa5a2bca103.pdf?index=trueIn PDF document text
  • https://6f30df14-3181-4bf3-bf30-29114d5de280.filesusr.com/ugd/3f8d85_86091bf0b02d426da7d2e4635d18a27d.pdf?index=trueIn PDF document text
  • https://d087f840-2da9-4136-82e2-09684321878f.filesusr.com/ugd/1b6cec_91a9059d9544445da66a9c2ff5b18a05.pdf?index=trueIn PDF document text
  • https://ac3860f8-e370-4f08-8830-2d35bfe19365.filesusr.com/ugd/badafb_e759c0b48e0f47fd845400af70b7a1f2.pdf?index=trueIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/4545/3985/files/platform_perches_for_birds.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/5930/6645/files/fox_sports_2_america_tv_guide.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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