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://cctraff.ru/strik?keyword=othello+plot+summary+pdf In PDF document text

  • http://files.mydesignsbypamela.com/uploads/1/3/1/0/131070761/2557821.pdfIn PDF document text
  • http://files.roccroyaloak.com/uploads/1/3/1/6/131636917/9065888.pdfIn PDF document text
  • http://gimajisaj.shannonschweitzerdesigns.com/uploads/1/3/1/4/131407164/7224997.pdfIn PDF document text
  • http://regusore.mikescaraudio.com/uploads/1/3/1/3/131398540/ba7d4.pdfIn PDF document text
  • http://kuvisa.nosda.com.au/uploads/1/3/2/7/132740494/6be68.pdfIn PDF document text
  • https://site-1040766.mozfiles.com/files/1040766/relifezozu.pdfIn PDF document text
  • https://site-1041926.mozfiles.com/files/1041926/neviwomipifavatewise.pdfIn PDF document text
  • https://site-1037098.mozfiles.com/files/1037098/60925446804.pdfIn PDF document text
  • https://site-1042941.mozfiles.com/files/1042941/37002399681.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/1/0427/5883/2294/files/bewomu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8812/5857/files/45907359372.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/7261/0455/files/fatugejesog.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1e2be28a-3d9c-4919-b6dc-6d5d3300f15f/kuvarixogesozororu.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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