Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.cc/123?keyword=jobs+in+jamnagar In PDF document text

  • https://gaturavokig.weebly.com/uploads/1/3/4/3/134317265/tasofomutiwapefojipe.pdfIn PDF document text
  • https://s3.amazonaws.com/wukara/mod_apk_scribblenauts_unlimited.pdfIn PDF document text
  • https://senobatupubem.weebly.com/uploads/1/3/1/4/131437889/1952608.pdfIn PDF document text
  • https://mawajajapok.weebly.com/uploads/1/3/4/3/134353668/8567619.pdfIn PDF document text
  • https://wosowabo.weebly.com/uploads/1/3/4/3/134340570/3781401.pdfIn PDF document text
  • https://s3.amazonaws.com/samopakamefap/wiraz.pdfIn PDF document text
  • https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/9c34e5bf9b50.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006161.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006161.bin)
  • https://uploads.strikinglycdn.com/files/c66b2348-afdf-4986-a6cc-f090caf43ff8/70891628817.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0507/3158/1595/files/titekesoguf.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/4061/0753/files/82383300509.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2e470aa7-a9d8-4cbe-b806-8cf8b09d5db7/example_of_relational_model.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 extracted file (font_00_sfnt_off00006161.bin)

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