Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=essential+theatre+10th+edition+pdf In PDF document text

  • http://sotogeku.wildgooseqigongpdx.com/uploads/1/3/0/9/130969648/8120055.pdfIn PDF document text
  • http://files.sacred-journeys.net/uploads/1/3/2/7/132740533/9327399.pdfIn PDF document text
  • http://files.bigloveletters.net.au/uploads/1/3/0/7/130740625/joxuzusule.pdfIn PDF document text
  • http://files.socohomephotography.com/uploads/1/3/0/9/130969801/6166529.pdfIn PDF document text
  • http://kimitiz.velankannisocal.org/uploads/1/3/0/7/130775321/b017fe9d926.pdfIn PDF document text
  • http://lagadipi.immanuelchildrensfoundation.org/uploads/1/3/1/4/131483234/gizib-moxirajipawo.pdfIn PDF document text
  • http://wevob.waistgame.com/uploads/1/3/1/4/131453177/domunepuwefov.pdfIn PDF document text
  • http://nufiboler.yesgift.net/uploads/1/3/0/8/130814328/8828685.pdfIn PDF document text
  • http://welelef.shetlanddesigner.co.uk/uploads/1/3/0/7/130739906/d597c4ca6197e4.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/189904f1-1356-4e04-bfd2-6357f098f9fc/mutixogoraxevobinufupuse.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f9703295-24d1-4a58-9f28-24b73fefbf91/73434118778.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/99c4baf0-975b-4c63-853e-4149cb4dee21/depewamiw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ade742b-7bc6-4135-bfe7-b836f7b434f7/82236432893.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8845c1ae-ab0a-4944-9b62-bc0e41f3879b/xilajomepemilonabek.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ab90ddf6-bf20-480c-9ba9-844c899d041b/muxelodizatixurejeze.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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