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=partition+la+le%2525C3%2525A7on+de+piano In PDF document text

  • http://files.laanimal.com/uploads/1/3/1/3/131384145/mupafuxazojina.pdfIn PDF document text
  • http://files.algerparkchurch.org/uploads/1/3/0/7/130776249/9554707.pdfIn PDF document text
  • http://rukop.olyaosipova.com/uploads/1/3/1/4/131407253/6191626.pdfIn PDF document text
  • http://files.ahsni.com/uploads/1/3/1/4/131438308/sabanesove-kubolevesupini-dobakisop-temolekuninijo.pdfIn PDF document text
  • http://gerebam.mauricedental.com/uploads/1/3/1/6/131636698/natanasusos.pdfIn PDF document text
  • http://daneki.trailcoffeecompany.com/uploads/1/3/2/6/132681790/nofumobana_jaraza_kejopa.pdfIn PDF document text
  • http://dulit.doulasofboulder.com/uploads/1/3/2/7/132740470/rawotojuf-xobilolajesi.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off00006423.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off00006423.bin)
  • http://fedorahosted.org/lohitIn extracted file (font_02_sfnt_off00007441.bin)
  • http://www.daltonmaag.com/In extracted file (font_04_sfnt_off0000a56a.bin)
  • https://uploads.strikinglycdn.com/files/06b9a568-358b-49c8-875a-8baa70811850/wobojamubi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/4226/3199/files/lewis_structures_and_molecular_geometry_lab_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/9851/6893/files/sumar.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/6033/6542/files/michael_rosen_memes_quiet_please.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/4950/8250/files/unit_ranking_ffbe_wotv.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 extracted file (font_01_sfnt_off00006423.bin)

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