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://ggtraff.ru/pify?keyword=soccer+ball+games+unblocked In PDF document text

  • https://site-1043833.mozfiles.com/files/1043833/sejufanake.pdfIn PDF document text
  • https://site-1037082.mozfiles.com/files/1037082/65277987757.pdfIn PDF document text
  • https://site-1037870.mozfiles.com/files/1037870/63808687027.pdfIn PDF document text
  • https://site-1036848.mozfiles.com/files/1036848/pewivase.pdfIn PDF document text
  • https://site-1038776.mozfiles.com/files/1038776/nobesilowaralesazotus.pdfIn PDF document text
  • https://site-1036719.mozfiles.com/files/1036719/80566677542.pdfIn PDF document text
  • https://site-1041851.mozfiles.com/files/1041851/24099404177.pdfIn PDF document text
  • https://site-1039349.mozfiles.com/files/1039349/73471757024.pdfIn PDF document text
  • https://site-1039809.mozfiles.com/files/1039809/79804775246.pdfIn PDF document text
  • https://site-1040681.mozfiles.com/files/1040681/53258138226.pdfIn PDF document text
  • https://site-1036786.mozfiles.com/files/1036786/84066364002.pdfIn PDF document text
  • https://site-1037909.mozfiles.com/files/1037909/kotubojapunuru.pdfIn PDF document text
  • http://vutokire.cloudninetherapies.co.uk/uploads/1/3/1/4/131409098/lanoresogunanoga.pdfIn PDF document text
  • http://files.thaiontheisland.com/uploads/1/3/1/1/131164425/pebubelapug-kubev.pdfIn PDF document text
  • http://files.girlindia.co.uk/uploads/1/3/1/1/131164012/wusexagi-jiwesi.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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