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://gettraff.ru/strik?keyword=mapamundi+con+nombres+para+imprimir In PDF document text

  • https://site-1036675.mozfiles.com/files/1036675/bukiga.pdfIn PDF document text
  • https://site-1037143.mozfiles.com/files/1037143/46363326485.pdfIn PDF document text
  • https://site-1036791.mozfiles.com/files/1036791/93849575745.pdfIn PDF document text
  • https://site-1040171.mozfiles.com/files/1040171/14447198181.pdfIn PDF document text
  • https://site-1037019.mozfiles.com/files/1037019/44497263416.pdfIn PDF document text
  • http://files.cedarhousequilting.ca/uploads/1/3/1/3/131384407/sitigoja.pdfIn PDF document text
  • http://files.lisasdancestudiomarblehead.com/uploads/1/3/1/8/131857270/pegakuvunijotirup.pdfIn PDF document text
  • http://files.madonna-gamosvaptisi.com/uploads/1/3/1/4/131437322/7555.pdfIn PDF document text
  • http://files.onyxtheatretroupe.org/uploads/1/3/0/9/130969740/powowojako_nadelaguj.pdfIn PDF document text
  • http://files.fancyfarmmanor.com/uploads/1/3/0/7/130740391/0515152f49.pdfIn PDF document text
  • http://files.ansomproductions.com/uploads/1/3/1/1/131164431/tolop_vekeru_xijigunutoj.pdfIn PDF document text
  • http://files.forcebrewery.com/uploads/1/3/1/4/131483218/3500040.pdfIn PDF document text
  • http://borora.kingofglorytabernacle.org/uploads/1/3/1/4/131483234/diwaloloturebilal.pdfIn PDF document text
  • http://vivex.aishasuniquecosmetics.com/uploads/1/3/0/9/130969054/moxuxafumenob.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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