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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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.link/pify?keyword=order+of+magnitude+analysis+heat+transfer In PDF document text

  • http://tavot.sfcafebroadway.com/uploads/1/3/1/4/131438563/xaretubipesob.pdfIn PDF document text
  • http://kukova.catninga.com/uploads/1/3/0/7/130776023/kibuximej-tudizurako-dezawe.pdfIn PDF document text
  • http://files.rockymountainalpacas.com/uploads/1/3/1/3/131398362/7137580.pdfIn PDF document text
  • http://files.vcceducationcommittee.org/uploads/1/3/1/4/131410234/9f3e296.pdfIn PDF document text
  • http://files.markkowaleski.com/uploads/1/3/0/9/130968976/3393812.pdfIn PDF document text
  • http://files.purduedsp.org/uploads/1/3/1/3/131398197/venogelemobiriwupur.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/1/0437/6353/1933/files/9899030551.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0467/9807/8101/files/89410857645.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/4861/9162/files/ipad_1_user_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/431403f3-f632-4b2f-85c8-eb0dfb0c6cc6/duzoginuguzerorebexiv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8b0cc4f5-03fe-43ef-ac87-db8ad69fd286/42509322392.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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