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://gettraff.ru/strik?keyword=the+burning+bridge In PDF document text

  • https://site-1036772.mozfiles.com/files/1036772/loxutujuwowaruvitiluvep.pdfIn PDF document text
  • https://site-1038717.mozfiles.com/files/1038717/zugotofuruvaki.pdfIn PDF document text
  • https://site-1036835.mozfiles.com/files/1036835/fududubigipakupigefi.pdfIn PDF document text
  • http://nidal.magicalgoldens.com/uploads/1/3/1/4/131483234/6415fbaf22d57.pdfIn PDF document text
  • http://ritip.cacklebirdclassic.com/uploads/1/3/1/1/131164250/086cba9b58d.pdfIn PDF document text
  • http://files.pageantsbymindy.com/uploads/1/3/0/9/130969334/6771600.pdfIn PDF document text
  • http://files.freehillblades.com/uploads/1/3/1/1/131164132/db6920e.pdfIn PDF document text
  • https://site-1040280.mozfiles.com/files/1040280/11037687694.pdfIn PDF document text
  • https://site-1038905.mozfiles.com/files/1038905/ronugakatazebawil.pdfIn PDF document text
  • https://site-1039428.mozfiles.com/files/1039428/49146216438.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/0f75d7b6-52f8-41e5-a7bc-d66d2104a033/56012085765.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/64135339-fe66-4490-bfe4-3ddab0cb4245/14971459678.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3d25fe0b-0307-4b49-a368-b5293c9d2b7a/38558569138.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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