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=acs+general+chemistry+final+exam+stu In PDF document text

  • http://files.stmichaelsmaronite.net/uploads/1/3/2/7/132741476/3376334.pdfIn PDF document text
  • http://files.aztrinitymusicacademy.com/uploads/1/3/0/7/130739740/bavebotil.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/972100ec-d423-4a97-9cb6-c92bcb9af908/48794317066.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1cdd58ac-c346-4c3c-aa77-35834712ed3c/mawofupu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bba4cd79-df99-43f5-acf6-989c8bbd2729/17793171149.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/2253/2251/files/globe_life_park_seating_chart_xfl.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/0795/7400/files/triangle_similarity_theorems.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9541/6213/files/86852819651.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/6753/1673/files/85018806937.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8902/5942/files/53067146739.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/46e43410-7af7-4261-a239-f7b3b01b14fc/mebazivuxojiru.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4bd2333a-7d26-47f4-990f-61c8b0ca3ed2/96790029018.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fab11341-674a-4cac-85f4-e9958a5c182d/17890344374.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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