Malicious PDF — malware analysis report

Heuristics 4

• 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 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://ttraff.cc/123?keyword=pirates+bay+proxy+2020 In PDF document text

  • https://letateworu.weebly.com/uploads/1/3/4/3/134365764/zojodukubisere.pdfIn PDF document text
  • https://nikokitigo.weebly.com/uploads/1/3/4/5/134500207/6998036.pdfIn PDF document text
  • https://gavawujag.weebly.com/uploads/1/3/4/3/134370084/9548555.pdfIn PDF document text
  • https://taguraridefukal.weebly.com/uploads/1/3/4/4/134446716/5653051.pdfIn PDF document text
  • https://lorovojiwu.weebly.com/uploads/1/3/4/3/134318747/e13b7de2ed532.pdfIn PDF document text
  • https://fugubujezowegi.weebly.com/uploads/1/3/4/5/134502495/ffb0683170a29.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379048/normal_5f99f661b6fcb.pdfIn PDF document text
  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/bigunurusipota_vovavubavuw_malolipesafa.pdfIn PDF document text
  • https://loguxofe.weebly.com/uploads/1/3/0/7/130775118/golosumixo.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/c5eb64ad-a0e1-4dfc-b816-b0fea12ebd43/solucionario_electronica_de_potencia.pdfIn PDF document text
  • https://s3.amazonaws.com/zijivevip/novel_battle_through_the_heavens_bahasa_indonesia.pdfIn PDF document text
  • https://s3.amazonaws.com/lunojol/76536426533.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ab0e70aa-72ff-429b-8241-afcc8d9862ea/como_se_realiza_una_ficha_bibliografica.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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