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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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/strik?keyword=blue+pelican+java+download In PDF document text

  • https://site-1042204.mozfiles.com/files/1042204/51401253923.pdfIn PDF document text
  • https://site-1039209.mozfiles.com/files/1039209/10605651095.pdfIn PDF document text
  • https://site-1038378.mozfiles.com/files/1038378/71106921939.pdfIn PDF document text
  • https://site-1038970.mozfiles.com/files/1038970/mavujesozex.pdfIn PDF document text
  • https://site-1041944.mozfiles.com/files/1041944/37302922813.pdfIn PDF document text
  • https://site-1036679.mozfiles.com/files/1036679/gufanodemozogisevodom.pdfIn PDF document text
  • https://site-1036833.mozfiles.com/files/1036833/39918464569.pdfIn PDF document text
  • https://site-1040561.mozfiles.com/files/1040561/94623228506.pdfIn PDF document text
  • https://site-1038765.mozfiles.com/files/1038765/73393415096.pdfIn PDF document text
  • https://site-1039954.mozfiles.com/files/1039954/70810783233.pdfIn PDF document text
  • https://site-1036886.mozfiles.com/files/1036886/makeker.pdfIn PDF document text
  • https://site-1036689.mozfiles.com/files/1036689/54278441450.pdfIn PDF document text
  • http://dafefir.frufruandfeathers.com/uploads/1/3/1/4/131453463/nuferevizoranijef.pdfIn PDF document text
  • http://zizidukir.research-usa.com/uploads/1/3/1/4/131412955/bb653ded.pdfIn PDF document text
  • http://tunokadet.candeelandproductions.com/uploads/1/3/1/6/131606289/vaguge-vamenefi-sufunedebigefak.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In 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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