Malicious PDF — malware analysis report

Heuristics 5

• 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.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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=livros+dos+mediuns+allan+kardec+pdf In PDF document text

  • http://files.biofxn.com/uploads/1/3/0/7/130776490/senidif.pdfIn PDF document text
  • http://vebin.akseducare.com/uploads/1/3/1/4/131454046/tozoxamurorup.pdfIn PDF document text
  • http://files.designstationdiy.com/uploads/1/3/0/7/130739983/xobituli.pdfIn PDF document text
  • http://files.luvernedragonfly.com/uploads/1/3/1/4/131406662/aebd493.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004e08.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004e08.bin)
  • https://cdn.shopify.com/s/files/1/0431/9661/2768/files/tate_press_exercise.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/1909/2647/files/59010096467.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/6655/5557/files/polaroid_mailing_label_template_30_per_sheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/3863/3895/files/95751579647.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/7840/2723/files/xikufoz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/41ddf527-a1a6-4ad0-9568-978e1891e602/fezemopaxisakafexikut.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/96ce32da-a1f0-4ab3-86e8-02a8bd251fec/28925272463.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/01de4c25-37dd-4ecd-a119-8741d29e2f1e/ledineribubozi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9ad9b2a3-c4e8-4297-a2db-4af74336ff02/zovezurefuxenuziligif.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/63c2e10f-fe88-435e-983b-4121a6c3d3b2/14231453816.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/2947/9072/files/88015518227.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/9016/5403/files/gejaloba.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/2684/8661/files/300_central_park_west.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 extracted file (font_00_sfnt_off00004e08.bin)

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