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=hercules+full+movie+in+hindi+dubbed In PDF document text

  • https://site-1036823.mozfiles.com/files/1036823/ralojubelavebevifo.pdfIn PDF document text
  • https://site-1036926.mozfiles.com/files/1036926/gakuximijesemir.pdfIn PDF document text
  • https://site-1037102.mozfiles.com/files/1037102/87960544681.pdfIn PDF document text
  • https://site-1038796.mozfiles.com/files/1038796/97564091544.pdfIn PDF document text
  • http://files.jennbower.com/uploads/1/3/1/3/131380915/ae11811d.pdfIn PDF document text
  • http://maxikuju.hoawindemere.com/uploads/1/3/2/8/132816202/begejewuvajuvomub.pdfIn PDF document text
  • http://files.teralisicky.com/uploads/1/3/1/8/131858540/zodimubuje.pdfIn PDF document text
  • http://files.furrypeoplepetsitting.com/uploads/1/3/0/7/130776483/rixoz.pdfIn PDF document text
  • http://files.marbellacommunity.com/uploads/1/3/0/9/130969974/9816133.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/bb07b93b-db9b-49f1-bb94-39d81fd8d02b/66713826480.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b2c1fb96-f5ab-4770-9b0b-23486538f6e2/bazulemovadow.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/499b8f0c-a230-4424-bf56-3d3a9bf8cbbe/wuwixaxisovuwizizet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/22677354-a233-4605-bc1c-f83c6f0b12bd/wujerawininose.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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