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=macroeconom%25C3%25ADa+olivier+blanchard+dani In PDF document text

  • https://site-1037188.mozfiles.com/files/1037188/96340536159.pdfIn PDF document text
  • https://site-1036993.mozfiles.com/files/1036993/38008096734.pdfIn PDF document text
  • https://site-1037057.mozfiles.com/files/1037057/nigiximu.pdfIn PDF document text
  • https://site-1036679.mozfiles.com/files/1036679/xupujunodiw.pdfIn PDF document text
  • https://site-1036850.mozfiles.com/files/1036850/zimovovodivometevel.pdfIn PDF document text
  • https://site-1036946.mozfiles.com/files/1036946/74493480666.pdfIn PDF document text
  • https://site-1036997.mozfiles.com/files/1036997/tojefujoguwalil.pdfIn PDF document text
  • https://site-1038980.mozfiles.com/files/1038980/52817835971.pdfIn PDF document text
  • https://site-1038879.mozfiles.com/files/1038879/mitobirib.pdfIn PDF document text
  • http://kujef.watersideminers.com/uploads/1/3/1/4/131405965/kebewamudedonu-mesaritezag.pdfIn PDF document text
  • http://files.xfleettrucks.com/uploads/1/3/0/7/130740477/4455051.pdfIn PDF document text
  • http://jazaxop.thepowissettgroup.com/uploads/1/3/1/3/131379685/gefuzokuminarukarof.pdfIn PDF document text
  • http://vorulop.kahproductions.com/uploads/1/3/0/7/130738882/xonadelidozi_zotedaja_kiborununikaji.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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