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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://ttraff.me/123?keyword=lego+software+free+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366371/normal_5f96de30a5b5f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392667/normal_5f9092e48609c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370791/normal_5f9740fb43cf1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366402/normal_5f8763e49518f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381547/normal_5f9000c85063d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393179/normal_5f974d31cd63b.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000857f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000857f.bin)
  • https://s3.amazonaws.com/gulapore/the_ancestor_s_tale_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/sugowubuf/97776007508.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/68236697600.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/gaxepunizibimefejeva.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/the_bastard_of_istanbul_full_book_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/jularomeped.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6180/4693/files/voice_training_lessons.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7628/1032/files/companies_act_2020_icai.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/1791/6575/files/code_promo_bsp_auto_guide_du_routard.pdfIn PDF document text
  • https://s3.amazonaws.com/kavalukato/bach_minuet_in_d_minor.pdfIn PDF document text
  • https://s3.amazonaws.com/vavapekadoliti/html_to_python_windows.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/bohr_postulates.pdfIn PDF document text
  • https://s3.amazonaws.com/fatisake/71672715316.pdfIn PDF document text
  • https://s3.amazonaws.com/rimepusox/excel_test_questions_and_answers.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_off0000857f.bin)
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn extracted file (font_01_sfnt_off000096fe.bin)
  • http://www.gnu.org/copyleft/gpl.htmRegularIn extracted file (font_01_sfnt_off000096fe.bin)

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