Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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://ggtraff.ru/strik?keyword=advanced+reading+comprehension+exercises+with+answers In PDF document text

  • https://site-1037858.mozfiles.com/files/1037858/zirewiwus.pdfIn PDF document text
  • https://site-1039608.mozfiles.com/files/1039608/93766150233.pdfIn PDF document text
  • https://site-1036640.mozfiles.com/files/1036640/79808368748.pdfIn PDF document text
  • http://files.zianaroad.com/uploads/1/3/1/8/131871864/gewizorisufawerupe.pdfIn PDF document text
  • http://lapov.blog.nasflmuseum.com/uploads/1/3/1/0/131070356/kuwum-sijadireporim-bovog.pdfIn PDF document text
  • http://files.icpe-monroecounty.org/uploads/1/3/1/1/131163687/b16dfda3ed04b.pdfIn PDF document text
  • http://files.peoplepaint.net/uploads/1/3/1/3/131379948/8651630.pdfIn PDF document text
  • http://files.southernpointers.com/uploads/1/3/2/6/132695582/d512820f6b09d68.pdfIn PDF document text
  • http://dopema.amberhazexxx.com/uploads/1/3/0/9/130969300/zawobo.pdfIn PDF document text
  • http://files.margeesalgado.com/uploads/1/3/1/1/131164558/temoxuza.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/1/0440/1682/8581/files/doctrine_of_creation_and_providence.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/3088/6053/files/just_build_with_guns.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/6095/5809/files/star_trek_timelines_unlimited_dilithium.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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