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://ttraff.me/pify?keyword=shell+electron+configuration+for+lithium In PDF document text

  • http://dojezul.samopomich.com/uploads/1/3/2/6/132681081/96d04056cd36c3.pdfIn PDF document text
  • http://wemokix.claresholmfootball.com/uploads/1/3/2/6/132681311/tinobajipufubuvit.pdfIn PDF document text
  • http://files.woodwindchambermusicrepertoire.com/uploads/1/3/1/4/131438150/3105012.pdfIn PDF document text
  • http://files.anydogildorescue.org/uploads/1/3/2/7/132740900/rasijikiguno-tidenekaleruvaf.pdfIn PDF document text
  • https://site-1044184.mozfiles.com/files/1044184/72927731958.pdfIn PDF document text
  • https://site-1039431.mozfiles.com/files/1039431/27057818864.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/4534ef07-6c0c-42e9-8fbf-715f439d9e82/10597626463.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c1e7289a-3258-43cb-9e81-25ae8da9e56b/40854086118.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/80312555-70b3-4c2e-b3ae-67596de80da6/90790520851.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/3320/9243/files/furatirejaziwowajixobig.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/5807/8118/files/tamao_de_los_planetas_interiores.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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