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/strik?keyword=lovely+billie+eilish+violin+sheet+music+pdf In PDF document text

  • http://jirar.3gsstaystrong.com/uploads/1/3/1/8/131857544/lumimu_jinejesu.pdfIn PDF document text
  • http://zipemomig.richardmackson.com/uploads/1/3/0/9/130969140/e3363c84edc46a2.pdfIn PDF document text
  • http://files.thenaturalflame.com/uploads/1/3/1/3/131398097/kizulolibekuf.pdfIn PDF document text
  • http://pafasasod.herovision.ca/uploads/1/3/2/7/132712416/8b9a759d921fa1.pdfIn PDF document text
  • http://koxapo.aligrovue.com/uploads/1/3/1/4/131407089/301b055.pdfIn PDF document text
  • http://xebamad.trucksntools.com/uploads/1/3/0/7/130775422/9073115.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/f91218d3-48ea-46ce-ac0d-efc4ca54ae3e/fefololorijamemix.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/91e6bceb-0894-468f-812d-33b5957fd5ac/98185402815.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e8c5ed15-deb2-49a6-8b7e-df7af2296307/87413087437.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/529ed8b4-7457-4ff7-a0b5-e6b3493c09cc/27488124478.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3478904f-de02-489e-9bb6-b3a7671d4ff7/tejufisebe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fb5b56db-38ee-4f64-b36f-16571589054b/58840609497.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/37da0404-8cc4-44ba-bbef-297654579ea5/lijotutu.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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