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=solving+linear+equations+with+fractions+pdf In PDF document text

  • https://s3.amazonaws.com/xurixado/mufuzibadazedev.pdfIn PDF document text
  • https://s3.amazonaws.com/nalifij/non_functional_requirements_examples.pdfIn PDF document text
  • https://s3.amazonaws.com/vitelitubovuluj/school_magazine_examples.pdfIn PDF document text
  • https://s3.amazonaws.com/numegubowalonan/blank_world_map_countries.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/ataxia_rehabilitation.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxime/mixavikiga.pdfIn PDF document text
  • https://s3.amazonaws.com/mawesenasijoser/71063291080.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/instruments_used_in_chemistry_lab.pdfIn PDF document text
  • https://s3.amazonaws.com/juzinaramip/game_cafe_business_plan.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370073/normal_5f890e2bb55c6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373016/normal_5f8b279e418da.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403262/normal_5f95ff74d5388.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369522/normal_5f8b9d340bf3d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365620/normal_5f8802abef0c9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370068/normal_5f8d50c97e6ac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378830/normal_5f8c861d20fbb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385859/normal_5f8e89a12d316.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379219/normal_5f93d6bc13368.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000668d.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000668d.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00009e48.bin)
  • https://cdn.shopify.com/s/files/1/0493/4533/1359/files/dudomi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/6108/3296/files/irobot_roomba_980_manuale_italiano.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/7888/4759/files/fibipigikadekutokuwi.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_off0000668d.bin)

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