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/aws?keyword=biology+11th+ncert+book+pdf+download In PDF document text

  • https://xoraxabaxid.weebly.com/uploads/1/3/2/6/132682630/65baefa75f437a6.pdfIn PDF document text
  • https://fukubumo.weebly.com/uploads/1/3/4/0/134016705/6c68d1ecf30076d.pdfIn PDF document text
  • https://folanejo.weebly.com/uploads/1/3/0/7/130776558/movonirajoviwo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365624/normal_5f8731336afda.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367940/normal_5f8c70e7b8ea7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377656/normal_5f8a0feed6f57.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006e7a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006e7a.bin)
  • https://cdn.shopify.com/s/files/1/0268/6861/3308/files/tipos_de_solos_em_angola.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/7679/5550/files/68303675846.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/2044/3045/files/wuzimedekujuzejojamodes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/7995/8168/files/14400357581.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0468/0312/4375/files/19482704944.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/84f26cb2-c4d1-4e81-9193-92a2bf525af6/32190243335.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/917f176b-dddc-46f3-830a-ec5fb0fcceeb/94060339452.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/77f0c839-28e6-4abf-a3a3-d6daad0e717e/mabonurunewinafofejimepar.pdfIn PDF document text
  • https://s3.amazonaws.com/wazorixekunafob/ribaveniki.pdfIn PDF document text
  • https://s3.amazonaws.com/zewimu/redutores_cestari.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/widifopukiv.pdfIn PDF document text
  • https://s3.amazonaws.com/fosagobomap/92460476920.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/pdf_to_autocad_drawing_converter_online.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/7398/2630/files/que_significa_ceo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/2741/2645/files/pinzolo_ski_map.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/9899/2569/files/nothing_else_matters_piano_notes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/6669/5071/files/62309272600.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/8077/6363/files/28411633951.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_off00006e7a.bin)

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