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://cctraff.ru/pify?keyword=disney+princess+halloween+costumes+for+adults In PDF document text

  • https://site-1039847.mozfiles.com/files/1039847/61471136931.pdfIn PDF document text
  • https://site-1037265.mozfiles.com/files/1037265/73995519453.pdfIn PDF document text
  • https://site-1036957.mozfiles.com/files/1036957/dubuzipikejoxikone.pdfIn PDF document text
  • https://site-1036743.mozfiles.com/files/1036743/75197853889.pdfIn PDF document text
  • http://files.amidalifecoaching.com/uploads/1/3/1/6/131636618/f16af89b8e8d0a.pdfIn PDF document text
  • http://files.throughmymillennialeyes.com/uploads/1/3/1/8/131856456/a291921d32d2906.pdfIn PDF document text
  • http://dunigoro.manubio.com/uploads/1/3/0/8/130874380/7449980.pdfIn PDF document text
  • https://site-1039484.mozfiles.com/files/1039484/38699002692.pdfIn PDF document text
  • https://site-1039162.mozfiles.com/files/1039162/54679548436.pdfIn PDF document text
  • https://site-1041291.mozfiles.com/files/1041291/matedo.pdfIn PDF document text
  • https://site-1039127.mozfiles.com/files/1039127/85115396730.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/1/0438/7107/6520/files/one_to_one_bible_reading_david_helm.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/4375/7992/files/11280548303.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/7276/6631/files/toyota_highlander_manual_key_start.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0457/3668/9820/files/92350119258.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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