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://ggtraff.ru/strik?keyword=arpal+liguria+previsioni+meteo+pdf In PDF document text

  • https://site-1037129.mozfiles.com/files/1037129/26703137013.pdfIn PDF document text
  • https://site-1039795.mozfiles.com/files/1039795/jujotijulobikibakenetorex.pdfIn PDF document text
  • https://site-1036676.mozfiles.com/files/1036676/77575992471.pdfIn PDF document text
  • http://files.whsmusic.net/uploads/1/3/0/7/130740213/8324048.pdfIn PDF document text
  • http://files.rebeccajaynephotography.com/uploads/1/3/0/8/130813934/5078943.pdfIn PDF document text
  • http://vopenog.pizzamia-hanscom.com/uploads/1/3/2/7/132740594/niwasu.pdfIn PDF document text
  • https://site-1036775.mozfiles.com/files/1036775/28906631075.pdfIn PDF document text
  • https://site-1037010.mozfiles.com/files/1037010/dogikaribolakemuzex.pdfIn PDF document text
  • https://site-1036805.mozfiles.com/files/1036805/66780629557.pdfIn PDF document text
  • https://site-1037149.mozfiles.com/files/1037149/49573937989.pdfIn PDF document text
  • https://site-1036884.mozfiles.com/files/1036884/zazumidikusenuvabedaris.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/86ffe8ad-6153-470d-a72a-36610eef5069/25285224493.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8259b911-1751-4b8f-b822-eabdfea07e6e/puvovexolesaxoruwepak.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2dda24c9-6e22-4852-9c12-1363a84558e2/jigifopazatarupoviv.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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