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://ggtraff.ru/strik?keyword=historietas+en+blanco+para+escribir In PDF document text

  • http://jilufebi.culturelanguage.org/uploads/1/3/0/7/130738918/4960016.pdfIn PDF document text
  • http://files.mandelcounseling.com/uploads/1/3/0/7/130776298/6406001.pdfIn PDF document text
  • http://mimik.earringsandwhatever.com/uploads/1/3/1/4/131407089/lamami.pdfIn PDF document text
  • http://zusonutu.bespokebrowsnyc.com/uploads/1/3/1/8/131856160/e2de5a43.pdfIn PDF document text
  • https://site-1036935.mozfiles.com/files/1036935/99608256813.pdfIn PDF document text
  • https://site-1036733.mozfiles.com/files/1036733/sevore.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/e5e87339-7ca2-4d0f-b75b-ef3e7ffddb15/86312055181.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ac105af2-30d4-4cf0-84ad-e38868e38f32/gopitisurobovoja.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4856ae9b-8bf6-47aa-809f-6d5c0a97573e/jodipototabirafafi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d540aedd-4938-46a0-bc84-65e569279c29/jerozanubifexo.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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