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=verifica+analisi+periodo+pdf In PDF document text

  • http://files.dfwrentnow.com/uploads/1/3/1/4/131406780/nibewanijarapir.pdfIn PDF document text
  • http://jikoli.thetrendylegacy.com/uploads/1/3/1/1/131163634/b649a341e2.pdfIn PDF document text
  • http://files.themastectomystore.com/uploads/1/3/1/6/131636761/xugede.pdfIn PDF document text
  • https://site-1036957.mozfiles.com/files/1036957/jikezewanu.pdfIn PDF document text
  • https://site-1036839.mozfiles.com/files/1036839/76510085139.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/1/0440/3278/6597/files/lazat.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4043/9446/files/science_safety_symbols_quiz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6534/3637/files/31869608786.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/6164/7262/files/censecfor_operator_training_-_m9_service_pistol_course_nko_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8327/7491/files/a_stolen_life_book.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ecddb10c-debe-4e4d-9261-1ef1901a1dd8/24499225109.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c8fd5472-90fb-49a3-b125-33e0286c2951/foniveriv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/21a8088c-87b1-47bf-b05c-1b662b480884/silakazugo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a177fc3-65d4-4970-9822-01ac000b8624/68883507356.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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