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://gettraff.ru/123?keyword=amoeba+sister+dna+replication+worksheet In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366987/normal_5f875b9891083.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365653/normal_5f87c8b427fb4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367004/normal_5f8729b2e0097.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366399/normal_5f876211893e9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366665/normal_5f8784eb31140.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366313/normal_5f87143fa193f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366645/normal_5f875b64287ec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365582/normal_5f8748a517e08.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368970/normal_5f87ae079a1c5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366015/normal_5f87f5251588c.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/7767c00f-6aea-4baa-9615-efe0de56d3a3/63470774047.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/848d059e-3f32-4b3c-8128-1b0bee60808b/rulagekoviz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/644a78ed-3371-4b56-8fbe-2b324392a58d/vonoxufezunowaxepitaw.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/1682/8581/files/21719948564.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/1750/0834/files/fidozajumifivigupo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/4156/9947/files/esquisse_dun_programme.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/8448/9145/files/lonunoti.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/2419/8050/files/womolimezerigew.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/7397/6503/files/business_plan_for_startups.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8175/3288/files/navosilozevolupikijakuwo.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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