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=kannada+language+learning+in+telugu+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4403687/normal_5f94d22d04845.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367919/normal_5f892f95a941e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367302/normal_5f877eeb8e0a6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375531/normal_5f92c3c12866e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369336/normal_5f8da6c2f2731.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000072f8.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000072f8.bin)
  • http://fedorahosted.org/lohitIn extracted file (font_01_sfnt_off0000840c.bin)
  • https://cdn.shopify.com/s/files/1/0499/3492/5986/files/gekatidin.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8059/0521/files/amana_washer_repair_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/5430/7774/files/enzyme_graphing_activity_worksheet_answer_key.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9087/9667/files/mojotusosefegijiludid.pdfIn PDF document text
  • https://s3.amazonaws.com/tujeviwakirawu/the_human_impact_on_the_natural_environment_7th_edition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d402f20e-546e-4a7f-b6b1-80e48d3aa310/gijudizotejivoxo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7cbd6d65-00f6-42dc-b28e-a201769a8224/larunipibekonudapujole.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/72bcefcf-bf36-4a51-ac82-a3475892674c/64177579121.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d52b01f4-93b8-4843-b451-4c6ddfef7020/78665350647.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/edb9536e-57be-4370-8b44-51fe3271b807/college_louis_jouvet_07320.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6c8123f5-216f-4eca-9cf3-908e1887fba5/71554163004.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b194114e-4d96-4fc0-8ca0-8bcac86dc56b/19074894872.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/11909eed-cd28-4712-8bb2-50317b9750fa/project_management_the_managerial_process_7th_edition_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f619ce7f-ed3b-40b3-a1c7-d860b5efbdb5/41998253597.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c35ca019-3a36-4536-b2c9-7a862f253101/totas.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bfa2019e-da9f-492b-bc9f-72134450d705/1769-_l33er_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a4a50ad9-3c3a-4cd3-8e2e-9034a64910b3/6393700516.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_off000072f8.bin)

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