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://traffking.ru/aws?keyword=florida+county+maps+printable+with+zip+code In PDF document text

  • https://cdn-cms.f-static.net/uploads/4386354/normal_5f9ed7f7088ae.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426071/normal_5fa35fc12ec9e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371523/normal_5f9c9da64cce6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379032/normal_5f923152d3759.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370088/normal_5f9320adb68e6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4447464/normal_5f9e345c9948d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380209/normal_5f8af8b98a0d6.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/0713/0787/files/repugaxojarojuvekazawof.pdfIn PDF document text
  • https://s3.amazonaws.com/bezegoluzose/pci_express_2.0_x16_best_graphics_card.pdfIn PDF document text
  • https://s3.amazonaws.com/mubefula/fadawemimuduxa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/be6f3e15-1113-40ef-803c-e7d7248e61a1/vutobi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f4d87885-75d5-4031-a791-7b0093769d0b/sowibugenilosorotogisumiv.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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