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://ttraff.me/123?keyword=the+photographer+s+eye+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4407983/normal_5f9533d795881.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365582/normal_5f91c78754a10.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386834/normal_5f97696a07bd0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369317/normal_5f88787e73a93.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370062/normal_5f87f5c8ec1c4.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/tokafanawa/cardiac_anatomy_and_physiology.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/26aabaaa-cd9f-44a6-96f8-cc2166caa00f/zogopifosowijire.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/92a188ca-e8b9-41cd-bb8c-99bd9af3aeb6/86203144551.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/gisesot.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e2f9b693-8d33-4a79-9104-c7e0297db47f/38359000709.pdfIn PDF document text
  • https://s3.amazonaws.com/foneniz/apocalipsis_14_6_lldm.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bb0a3565-efdf-4016-8ded-2cd48f80e52a/modern_control_engineering_ogata.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d89660ba-0339-4caa-94c6-26d2ec2367c0/juvanakomopunija.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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