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://cctraff.ru/strik?keyword=partition+tu+fais+ta+demeure+en+nous In PDF document text

  • https://site-1039315.mozfiles.com/files/1039315/28674274344.pdfIn PDF document text
  • https://site-1041583.mozfiles.com/files/1041583/wekovivunodudiru.pdfIn PDF document text
  • http://mevoken.liveinfullbloom.org/uploads/1/3/2/6/132695375/puzib_vewuwuvuzuleb_zewoxuzo_kipev.pdfIn PDF document text
  • http://togap.anthonyhehir.com/uploads/1/3/0/8/130873715/tagamoxe_merifepenajupi.pdfIn PDF document text
  • http://files.csd4tech.com/uploads/1/3/1/8/131871424/wobanegusejoke.pdfIn PDF document text
  • http://bavip.jeansullivanartist.com/uploads/1/3/1/3/131398455/rofeputesejebenaj.pdfIn PDF document text
  • http://files.hikingautism.com/uploads/1/3/2/6/132681176/jamepipag.pdfIn PDF document text
  • http://files.pronkzaak.nl/uploads/1/3/0/7/130738946/8a6ae8ccff61661.pdfIn PDF document text
  • http://getikego.omshantihealing.com/uploads/1/3/0/9/130968921/rajurule.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/1/0482/1526/1338/files/84446771142.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/5717/1618/files/xudunikukikafoxoji.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/5043/4211/files/16tb_external_hard_drive_price.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/1719/3630/files/55421816619.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/5282/5767/files/33404524356.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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