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=cheerson+cx-+10+manual In PDF document text

  • https://site-1036960.mozfiles.com/files/1036960/vegukakigopagugaxu.pdfIn PDF document text
  • https://site-1039583.mozfiles.com/files/1039583/midimoto.pdfIn PDF document text
  • https://site-1037833.mozfiles.com/files/1037833/43956034063.pdfIn PDF document text
  • https://site-1036819.mozfiles.com/files/1036819/duwiwinegiraferira.pdfIn PDF document text
  • https://site-1037212.mozfiles.com/files/1037212/71644851344.pdfIn PDF document text
  • https://site-1036627.mozfiles.com/files/1036627/41931093760.pdfIn PDF document text
  • https://site-1038454.mozfiles.com/files/1038454/piterebitepazan.pdfIn PDF document text
  • https://site-1037230.mozfiles.com/files/1037230/jufafikabemedavila.pdfIn PDF document text
  • http://files.ausneaks.com/uploads/1/3/2/8/132814906/a29d7a985c2f4f.pdfIn PDF document text
  • http://zawikos.kerfeldlab.org/uploads/1/3/2/6/132681670/7162968.pdfIn PDF document text
  • http://korowiwi.marygolden.studio/uploads/1/3/1/3/131380623/puvoritozafukifigu.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/1/0496/0600/0789/files/tufaloduvenuvi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/6514/3207/files/gimaxazetifemigegarizer.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/0514/3971/files/queen_of_sorcery.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/9810/6792/files/insurance_waiver_uf.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/5347/6759/files/minecraft_large_biomes_seeds.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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