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/123?keyword=five+nights+at+chuck+e+cheese%2527s+ending In PDF document text

  • https://cdn-cms.f-static.net/uploads/4380867/normal_5f8afa9bec1f6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4401982/normal_5f921033174da.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393362/normal_5f8f70a1a15b8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375076/normal_5f93e2c8e88d2.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007777.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007777.bin)
  • https://s3.amazonaws.com/susopuzupure/alcoholismo_en_mexico.pdfIn PDF document text
  • https://s3.amazonaws.com/tometubufimopim/autocad_2018_print_to_3d.pdfIn PDF document text
  • https://s3.amazonaws.com/megulu/inductive_reasoning_and_deductive_reasoning.pdfIn PDF document text
  • https://s3.amazonaws.com/gafedupeba/23487859469.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/7478/7736/files/nonlinear_programming_analysis_and_methods_avriel.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/7107/8052/files/what_is_the_pigs_name_in_the_disney_movie_moana.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/9027/2152/files/math_gallon_man_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/0965/4434/files/supporting_and_concluding_sentences.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/7663/9127/files/telecharger_les_albums_de_tintin_en.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/2044/3045/files/ffxiv_mining_guide_1-70.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6006/7997/files/aminoacidos_acidos_basicos_y_neutros.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6367/2471/files/sibadewid.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/1905/7822/files/86409022947.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/5088/4008/files/soal_dan_pembahasan_usaha_dan_energi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/7674/2045/files/austroads_pavement_design_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/9462/0333/files/73063715235.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1229/2260/files/lego_republic_gunship_2020.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_off00007777.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_03_sfnt_off0000b8ec.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_03_sfnt_off0000b8ec.bin)

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