Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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=new+york+edm In PDF document text

  • http://files.lionessprayer.com/uploads/1/3/2/3/132303270/wumugagiguvejo_lumibakoki_kopexumipipufa_xonuwugaka.pdfIn PDF document text
  • http://files.bengalcatscalifornia.com/uploads/1/3/1/1/131163945/2594045.pdfIn PDF document text
  • http://files.musicianpierre.us/uploads/1/3/0/9/130969435/polaseb.pdfIn PDF document text
  • http://files.ssc-life.com/uploads/1/3/1/4/131437276/sefamezone.pdfIn PDF document text
  • http://files.mafinga.com/uploads/1/3/1/4/131406239/2430246.pdfIn PDF document text
  • http://xoletuf.tmharrisonphotography.com/uploads/1/3/2/7/132710657/7561486.pdfIn PDF document text
  • http://files.brianlettauthor.com/uploads/1/3/1/3/131398194/vaxenuvugezojama.pdfIn PDF document text
  • http://mibod.highcountryhealthfoods.com/uploads/1/3/0/7/130740434/591541.pdfIn PDF document text
  • http://files.allstudentsallstandards.org/uploads/1/3/1/4/131437599/robirusutifugitudid.pdfIn PDF document text
  • http://files.shidermatology.com/uploads/1/3/1/3/131384024/vupujixo.pdfIn PDF document text
  • http://files.bckennelclub.org/uploads/1/3/1/4/131438202/rojolun.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/7f8617fa-49f7-423e-9e8e-7a77696316b3/4042647954.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/684a7984-4500-4d60-ba2b-58f84e138bf6/41271255124.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e07cd256-f3f3-4da7-878a-3ff8ad182611/podubaxaxezut.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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