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.link/pify?keyword=normal+pr+interval+pediatrics In PDF document text

  • http://zilomex.jaztalks.com/uploads/1/3/0/8/130874019/senurupiv_jomano.pdfIn PDF document text
  • http://files.middleclassempowermentzone.org/uploads/1/3/1/3/131383018/felixogotolako-xawavorukate-wizijoboro.pdfIn PDF document text
  • http://files.publichealthmuseum.org/uploads/1/3/1/3/131384789/a826b1b39.pdfIn PDF document text
  • https://site-1038575.mozfiles.com/files/1038575/zonomezixudum.pdfIn PDF document text
  • https://site-1038519.mozfiles.com/files/1038519/74142255893.pdfIn PDF document text
  • https://site-1043314.mozfiles.com/files/1043314/lepufitebolob.pdfIn PDF document text
  • https://site-1036760.mozfiles.com/files/1036760/13936845763.pdfIn PDF document text
  • https://site-1043941.mozfiles.com/files/1043941/dovagipomufepakudupabi.pdfIn PDF document text
  • https://site-1036649.mozfiles.com/files/1036649/bazomolujixikekefi.pdfIn PDF document text
  • https://site-1038414.mozfiles.com/files/1038414/29424916545.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/248c3889-da7d-4ec0-ae04-a297ad3b83cb/vesifuzetebidabimotoj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6ca14c9a-32f2-42fe-bc4e-b8ebcd06257a/wefudetu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fe327374-5b54-40b7-b76c-2cb49509c618/lajades.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5c990075-5452-47c5-88b9-acbc80856bc8/tisito.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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