Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=causes%20of%20poverty%20in%20the%20third%20world%20countries%20pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368747/normal_5f8c72200b4af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4420250/normal_5f95f9109c93f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376105/normal_5f91597247ee7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367631/normal_5f8ec416cb64f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365600/normal_5f86f977b240f.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/roman_catholicism_loraine_boettner.pdfIn PDF document text
  • https://s3.amazonaws.com/niporofez/diagnostico_de_meningitis_bacteriana.pdfIn PDF document text
  • https://s3.amazonaws.com/gitipelut/11204768780.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390385/normal_5f94374be64ea.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379720/normal_5f8b41adc5b7a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366652/normal_5f8ce81cd417d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369525/normal_5f8b38bd11f98.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006865.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006865.bin)
  • https://cdn.shopify.com/s/files/1/0499/2991/2488/files/19122021668.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/8955/4327/files/the_giver_themes_memory.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/7928/5915/files/puvasakonefug.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/5464/4386/files/how_to_get_rid_of_kudzu_beetles.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/2425/1042/files/minor_scale_piano.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/8753/4490/files/flat_herringbone_stitch_instructions.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_off00006865.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off00009eb8.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off00009eb8.bin)

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