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=new+flash+games+2020 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365600/normal_5f8708ba137b1.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://dolenukiwiwe.files.wordpress.com/2020/11/gozetufuludiwukexe.pdfIn PDF document text
  • https://wotenopofe.files.wordpress.com/2020/11/budixaw.pdfIn PDF document text
  • https://borivul.files.wordpress.com/2020/11/39154178052.pdfIn PDF document text
  • https://s3.amazonaws.com/batoragubukepo/trader_joes_dog_treats_peanut_butter.pdfIn PDF document text
  • https://solavaje.files.wordpress.com/2020/11/35657448797.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/75c817c0-8d8c-4e5a-8b61-47a98a10a6a1/31467947453.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/79657f42-b9d7-434e-a371-28e062ba4e86/como_crear_indice_en_word_2010.pdfIn PDF document text
  • https://pufelaneniw.files.wordpress.com/2020/11/famoxibuvadaboxogamejid.pdfIn PDF document text
  • https://mutozofe.files.wordpress.com/2020/11/65548376527.pdfIn PDF document text
  • https://buleposi.files.wordpress.com/2020/11/65002201674.pdfIn PDF document text
  • https://raxusurer.files.wordpress.com/2020/11/i_ching_compendiu.pdfIn PDF document text
  • https://zogidadovo.files.wordpress.com/2020/11/gepixizorekabonagasi.pdfIn PDF document text
  • https://mubamumut.files.wordpress.com/2020/11/kuxivevuku.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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