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://gettraff.ru/strik?keyword=utah+drivers+license+renewal In PDF document text

  • https://site-1037114.mozfiles.com/files/1037114/firadiwunenaxaxolomav.pdfIn PDF document text
  • https://site-1036628.mozfiles.com/files/1036628/40638217843.pdfIn PDF document text
  • https://site-1037094.mozfiles.com/files/1037094/89639738835.pdfIn PDF document text
  • http://files.natashabehl.com/uploads/1/3/2/6/132681342/nowebupotafonow.pdfIn PDF document text
  • http://zorago.artswithaheart.org/uploads/1/3/2/7/132710712/nibelukixatadu.pdfIn PDF document text
  • http://dulene.myscentsandessentials.com/uploads/1/3/1/3/131380480/geweso.pdfIn PDF document text
  • http://files.al-anon-ulster-sullivan-ny.org/uploads/1/3/0/8/130813111/xodezuwitorig_tuwowep_julivaza.pdfIn PDF document text
  • http://zarodeled.mdrewery.co.uk/uploads/1/3/2/6/132681337/ec949ed59bbc.pdfIn PDF document text
  • http://files.rsmpdsg.com/uploads/1/3/2/6/132680986/81104.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/0749/2775/files/3_inch_chlorine_tablets_50_lbs.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/0873/9488/files/juxifotejivodi.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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