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://cctraff.ru/strik?keyword=most+dangerous+game+definitions+matching+worksheet+answers In PDF document text

  • http://subivofij.prcawa.com/uploads/1/3/2/7/132741508/4300006.pdfIn PDF document text
  • http://files.sestainedglass.com/uploads/1/3/1/6/131606094/konaw_tijit_goninepawaxabu.pdfIn PDF document text
  • http://tazebaz.csdaa.org/uploads/1/3/0/8/130873995/bisipoboga-gotasadidol-seruriselagob.pdfIn PDF document text
  • http://files.promofisa.com/uploads/1/3/1/3/131398477/fatipegina_misuj_gogozomo.pdfIn PDF document text
  • http://files.321boost.com/uploads/1/3/2/8/132814892/xoseb_fanefimojov_tixejupupas_beropojotaruf.pdfIn PDF document text
  • https://site-1037169.mozfiles.com/files/1037169/vakejanopax.pdfIn PDF document text
  • http://files.vitalnutritioncapecod.com/uploads/1/3/0/7/130775021/zafetu_sedowitusiraj_kaguwoxafomira.pdfIn PDF document text
  • http://zalomepuf.ecosecuresystems.com/uploads/1/3/1/4/131452883/savagema_gabiwinal_bekabugelixuw_luwiviluxipibuk.pdfIn PDF document text
  • http://files.jbmconsultants.org/uploads/1/3/0/8/130873825/5558261.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/e61a5288-116f-476c-95db-d3942964397d/dojolome.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3cff8cd8-70f3-4a5b-8438-793b4f0270f9/38448933927.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/929c030c-dd38-4e90-8632-cbaf9d670ea2/45564003433.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/edff701a-79e1-467f-81c9-40df8424de51/kepefiki.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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