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://cctraff.ru/123?keyword=wizard+of+oz+dolls+set+of+6 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4380859/normal_5f9f57ab5d3b2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369512/normal_5f9b665c06ae1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369183/normal_5f9f22132728c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393791/normal_5f93a20b4476e.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/1/0432/2348/2530/files/area_code_313_location_map.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/0053/9554/files/80911446875.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/4575/6821/files/manufacturing_cost_statement.pdfIn PDF document text
  • https://s3.amazonaws.com/zategafozasiru/health_final_exam_study_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8975/8875/files/pojemofo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/2400/6820/files/mai_aapko_nahi_janta_hu_in_english.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/2962/7548/files/99621432005.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/1275/8426/files/32903808414.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9006/0486/files/97643311201.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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