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=natural+hazards+3rd+edition+pdf In PDF document text

  • http://wivewejeb.creativeedgedancestudio.com/uploads/1/3/1/3/131398507/pipegokonesolu_bapowilif.pdfIn PDF document text
  • http://xerebed.yhwhourrighteousnesschicago.net/uploads/1/3/2/6/132682883/7334779.pdfIn PDF document text
  • http://files.hisami.com/uploads/1/3/1/0/131070646/1256366.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/42a51268-955d-42fd-aa0a-bce508c713e2/30807184366.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2b92b252-8362-44b5-a5f2-99f6ee22afbc/97172038237.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a0dc9425-cf20-4268-b7c1-63af0ff2c97b/livufosajopusiwevet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7fdbd316-7c76-4783-aa77-05b6d037716b/zutujox.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/64f2ab21-2208-4929-8023-7ba4c90d2079/17278391871.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fa340da5-12be-4f50-a79b-e4f8a72fb375/58946467662.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/06719ccd-5ac6-49f6-b268-0e66790e32f3/82284888356.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/7158/1607/files/9_bonding_and_molecular_structure_worksheet_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/5079/3110/files/delaxudekux.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/9722/2037/files/bulk_trash_phoenix_85014.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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