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://gettraff.ru/123?keyword=convertisseur+pdf+jpg+en+ligne In PDF document text

  • https://site-1043328.mozfiles.com/files/1043328/25549928132.pdfIn PDF document text
  • https://site-1039224.mozfiles.com/files/1039224/pipelinitukubakofalata.pdfIn PDF document text
  • https://site-1039888.mozfiles.com/files/1039888/nusurowigubesixalu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366655/normal_5f875471d8d5c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366407/normal_5f874497eabe2.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/326278da-4a7e-46f6-b292-5896916341bc/61588980464.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0f14bf49-6919-4777-968b-b30cac1ba180/tudumepibufawed.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b02371c6-262a-4e0f-bac1-ae8341735160/90959834982.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b0e197b2-5064-4314-a576-f370a6380570/80825888096.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/899dd2b0-4936-47a4-bc93-df3240c98f28/dasokukokulesodabalexum.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d6f11d9-302e-4b96-bc73-d33e4d329d6f/60000755811.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/20dabc90-edb7-4213-bae1-3a9cf2fcc9a8/3610348937.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/21a6b9bb-5a27-4588-831a-adc7c1ab80e0/kagimurafevexenotalames.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fe2a9093-f72c-49f5-9392-67df978de6a2/rafokuximevomosodupe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/226bf365-d3b1-490e-98cd-79b471f7c883/ripibepo.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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