Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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/strik?keyword=gta+5+mod+menu+ps4+2019 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4371543/normal_5f88ac5a321f9.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/8197/9798/files/osteomyelitis_pubic_bone_icd_10.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d85c775-c8d9-4e49-900a-1eadb4a64900/atlas_de_histologia_humana.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ee8c0ffc-cb0f-452a-b462-83419169ee24/72353465252.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/0184/5162/files/plane_geometry_lecture_notes.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/palawo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/33e6360d-a774-4cda-ab92-4325dc8c044e/the_thyroid_connection_28_day_plan.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/bifamigovevasoxomas.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/3110/1603/files/bankersadda_english_grammar.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/fisilojizufaxuxel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bb033762-6dca-4c4d-a7df-d235f3828a85/pezaminofizijatopo.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 PDF document text

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