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=noreena+hertz+eyes+wide+open+pdf In PDF document text

  • http://files.djmcwho.com/uploads/1/3/1/4/131483184/nuwixajopunapil.pdfIn PDF document text
  • http://files.inbheardeeac.com/uploads/1/3/1/6/131637553/a9bc88a564f23.pdfIn PDF document text
  • http://bakilulu.christmasinchilhowie.com/uploads/1/3/1/8/131856185/33710da41.pdfIn PDF document text
  • https://site-1040670.mozfiles.com/files/1040670/70621137379.pdfIn PDF document text
  • https://site-1038472.mozfiles.com/files/1038472/15556016127.pdfIn PDF document text
  • https://site-1043352.mozfiles.com/files/1043352/99274942000.pdfIn PDF document text
  • https://site-1039573.mozfiles.com/files/1039573/fesirofuju.pdfIn PDF document text
  • https://site-1036939.mozfiles.com/files/1036939/luzivixudinasifokigug.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6504/8733/files/91347101555.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/2840/1309/files/payne_richards__associates_complaints.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/6201/8716/files/ludovisi_battle_sarcophagus_ap_art_history.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/2583/7465/files/juniposagobu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8222/7617/files/impulse_response_function_calculator.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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