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://gettraff.ru/strik?keyword=relative+location+of+the+bahamas In PDF document text

  • https://site-1039171.mozfiles.com/files/1039171/60106975211.pdfIn PDF document text
  • https://site-1040399.mozfiles.com/files/1040399/sujuwunaku.pdfIn PDF document text
  • https://site-1040884.mozfiles.com/files/1040884/79726710026.pdfIn PDF document text
  • http://files.eshipbestpracticessummit.com/uploads/1/3/0/7/130775484/5047834.pdfIn PDF document text
  • http://files.hordlevoluntarycare.org/uploads/1/3/1/8/131856769/1185162.pdfIn PDF document text
  • http://vitor.369k.org/uploads/1/3/0/7/130739678/99e2e4.pdfIn PDF document text
  • http://files.smcfnh.org/uploads/1/3/2/6/132683088/1335828.pdfIn PDF document text
  • http://silikewad.daddysmoneymarketgoats.com/uploads/1/3/1/4/131453540/lenimas.pdfIn PDF document text
  • http://files.beyondthebrain.net/uploads/1/3/0/7/130739991/xukivojax.pdfIn PDF document text
  • http://files.pureelegancesalonandtattoo.com/uploads/1/3/1/4/131408103/waforiroxeda.pdfIn PDF document text
  • http://files.occseagles.org/uploads/1/3/2/6/132682662/870c57022b91a0d.pdfIn PDF document text
  • http://files.studyenglish121.com/uploads/1/3/1/3/131384113/471988e.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/1/0440/6693/0840/files/grundy_elementary_school_lunch_menu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0494/7522/3719/files/59388225497.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/4016/1435/files/descent_into_avernus.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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