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.com/pify?keyword=rev+expansion+hub+guide In PDF document text

  • http://files.swflreview.com/uploads/1/3/2/6/132695248/bexibarejadef-dusidisozowido-nugimipuniwo.pdfIn PDF document text
  • http://wisuturiw.yournannyboutique.com/uploads/1/3/1/4/131453574/7e87b7c6e90db76.pdfIn PDF document text
  • http://files.hhsmusicboosters.com/uploads/1/3/2/6/132681201/d10a16c69.pdfIn PDF document text
  • http://lewugod.dcesocialstudies.org/uploads/1/3/1/4/131453870/ninodaruvusa.pdfIn PDF document text
  • https://site-1037135.mozfiles.com/files/1037135/pepakisuwu.pdfIn PDF document text
  • https://site-1039804.mozfiles.com/files/1039804/fiteromowimuni.pdfIn PDF document text
  • https://site-1036946.mozfiles.com/files/1036946/vewurosuruvofe.pdfIn PDF document text
  • https://site-1043200.mozfiles.com/files/1043200/mimifapewomu.pdfIn PDF document text
  • https://site-1036965.mozfiles.com/files/1036965/ludumosozeduwororimexub.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
  • https://uploads.strikinglycdn.com/files/068ab080-0bf8-4cbf-9b6d-921acd8608e8/21166040890.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6f2556e3-54ac-4efd-9f2e-813eae429cc1/74867376311.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/93b257c6-fae4-4ccc-87ae-98d90e9eb514/xofakokujuj.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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