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.
• 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.
• PDF carries website-builder CDN document link farm medium PDF_CDN_PDF_LINK_FARM
  PDF contains many clickable PDF links parked on website-builder CDNs or simple download gateways together with visible ebook, manual, or download lure text. This matches generated SEO document carriers used to route users through untrusted link/download chains; the PDF itself is an inert link carrier.
• 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://ggtraff.ru/wb?keyword=facade%20design%20pattern%20c++%20pdf In PDF document text

  • https://s3.amazonaws.com/fosagobomap/paint_company_swot_analysis_report.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/manual_capture_one_12.pdfIn PDF document text
  • https://s3.amazonaws.com/tuxenipup/tratamiento_para_cancer_gastrico.pdfIn PDF document text
  • https://s3.amazonaws.com/vutame/wulezeredazerob.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366360/normal_5f8754e174ed1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382958/normal_5f8c03ad058c9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370540/normal_5f8d5522a8968.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388156/normal_5f8e7dc23774c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366042/normal_5f88ffe88e446.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388046/normal_5f94c93bdcef5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366010/normal_5f87b5cccaa1a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365662/normal_5f8749741c4f5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367305/normal_5f8959c9ae0c3.pdfIn PDF document text
  • https://s3.amazonaws.com/rujimidujek/assembly_language_engineering_book.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000605c.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000605c.bin)
  • https://uploads.strikinglycdn.com/files/d53d7e86-659f-4dba-a6c0-fc370c862b23/zokir.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a3d36b70-cc3b-4c02-a941-b949f09d0f6e/bisiniguwagebobeme.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/63a47600-9e5f-41da-a813-08c01ae00de7/wiwuporasedemof.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3e32ac3b-4c09-4844-956f-901c86f20d90/18374471670.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/13b3cb88-ade8-44cd-8e67-28807ee0ac5b/17018656113.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c63263c3-0141-49fc-be3a-54d83a22abe7/how_to_counter_jungle.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_off0000605c.bin)

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