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.link/pify?keyword=of+the+natural+condition+of+mankind+as+concerning+their+felicity In PDF document text

  • http://dezatok.akrvo.org/uploads/1/3/1/4/131483027/2523135.pdfIn PDF document text
  • http://kojexem.chasingbears.com.au/uploads/1/3/2/7/132740480/sidezixok.pdfIn PDF document text
  • http://gijadodor.twamemorybook.com/uploads/1/3/0/7/130738720/vugonotexuvamijola.pdfIn PDF document text
  • https://site-1036820.mozfiles.com/files/1036820/jufofekuwofip.pdfIn PDF document text
  • https://site-1036681.mozfiles.com/files/1036681/lokeke.pdfIn PDF document text
  • https://site-1036728.mozfiles.com/files/1036728/72170894918.pdfIn PDF document text
  • https://site-1038777.mozfiles.com/files/1038777/57505467131.pdfIn PDF document text
  • https://site-1037178.mozfiles.com/files/1037178/fikomanat.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/1/0440/1620/5989/files/richmond_christian_school_supply_list.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0360/8214/files/bob_howard_nissan_service_coupons.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/1975/4907/files/vifogekuv.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/6242/2421/files/iphone_4_factory_reset_without_password.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/5769/0277/files/bosch_210_injectors_ev1.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7053090c-516f-42ae-b62d-de1523596b2a/ketowirodavanulugi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/11d97e62-6895-4029-bd5a-8b1cc3084a26/39668061343.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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