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/wb?keyword=inductive%20logical%20thinking%20pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365642/normal_5f8788b142c5b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366004/normal_5f8d5fc9b5a9b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366989/normal_5f8cf6c36488d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366317/normal_5f8c57954ec96.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379043/normal_5f9296d476a76.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000681b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000681b.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00009bba.bin)
  • https://uploads.strikinglycdn.com/files/d0e36f1e-5c33-4a57-9478-42e07310e6f2/63411997553.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d8832048-7165-4f6a-b55a-e54f44248592/xex_menu_1._4_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/0676/5473/files/lincoln_logs_cabin_instructions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/2094/9403/files/lenarigewezoxenebolojalen.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8395/8945/files/31443744214.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/6276/7015/files/sketching_techniques.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/9441/2963/files/muziwepu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/8972/1496/files/muv_fitness_west_columbia_facebook.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f0e3572c-8573-4730-8196-f31868b78025/quantum_field_theory_mandl_shaw_solu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a2bc86f3-d1b1-44f8-8afb-9f142bb30ed4/figure_of_speech_worksheets.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/4590/4280/files/13982376865.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/9095/1848/files/merge_files_review.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/9964/6878/files/ap_physics_b_fluids_multiple_choice.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/9213/0983/files/64249194853.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fdb55695-f228-4efa-b448-ca3deeb26001/36297863086.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_off0000681b.bin)

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