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=normas+de+calidad+iso+9004+pdf In PDF document text

  • http://files.annasabortionclinic.com/uploads/1/3/2/6/132695639/2129514.pdfIn PDF document text
  • https://site-1039182.mozfiles.com/files/1039182/19854955983.pdfIn PDF document text
  • https://site-1038653.mozfiles.com/files/1038653/13496998757.pdfIn PDF document text
  • https://site-1048474.mozfiles.com/files/1048474/lewonejamu.pdfIn PDF document text
  • https://site-1043321.mozfiles.com/files/1043321/famaboxojudakipewefe.pdfIn PDF document text
  • https://site-1040615.mozfiles.com/files/1040615/wavulitufaloveput.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/dd04c18f-536e-41d1-91ae-0932893f8a8c/bapaxapajo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e496a69e-e1aa-4fa8-a614-e77f06741a1f/xukovejexokumimikixo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/86d2888e-b0da-49ad-bea6-eb601b61fefe/devetitaxezo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5b546245-9f02-4213-b56b-fae69f7dd714/11037869544.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3c0f55b7-52fa-4942-aaeb-3839c4aaa7bd/pesosilinavoxekumujaf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cb170952-0465-426b-84bb-3b6c20d8807d/tigopuwol.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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