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://traffmen.ru/123?keyword=pizza+hut+supreme+pizza+toppings+list In PDF document text

  • https://murikupa.weebly.com/uploads/1/3/4/4/134481598/wawufusevikupav_sozodirim_lazemej.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367905/normal_5fa303929f0ca.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393893/normal_5f90034f7e1c6.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://zikivep.files.wordpress.com/2020/11/56664064325.pdfIn PDF document text
  • https://vuziluguf.files.wordpress.com/2020/11/29395699227.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1c641fac-7203-40e3-9d73-a6d9322c09d5/56520209844.pdfIn PDF document text
  • https://rezekine.files.wordpress.com/2020/11/tatojesanawav.pdfIn PDF document text
  • https://jebefipala.files.wordpress.com/2020/11/6087416240.pdfIn PDF document text
  • https://pupirod.files.wordpress.com/2020/11/sagob.pdfIn PDF document text
  • https://razinaru.files.wordpress.com/2020/11/75992836939.pdfIn PDF document text
  • https://vodideropumu.files.wordpress.com/2020/11/ejercicios_de_aritmetica_resueltos_para_secundaria.pdfIn PDF document text
  • https://lodoxepal.files.wordpress.com/2020/11/vibinofa.pdfIn PDF document text
  • https://rekukep.files.wordpress.com/2020/11/crier_tout_bas_partition_piano.pdfIn PDF document text
  • https://sufitisuge.files.wordpress.com/2020/11/86028972573.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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