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=minecraft+pe+download+apk+0.13.0 In PDF document text

  • https://site-1036692.mozfiles.com/files/1036692/63673252818.pdfIn PDF document text
  • https://site-1036632.mozfiles.com/files/1036632/bobuxir.pdfIn PDF document text
  • https://site-1044455.mozfiles.com/files/1044455/dagezusi.pdfIn PDF document text
  • https://site-1038932.mozfiles.com/files/1038932/28199060665.pdfIn PDF document text
  • http://files.bromfield.org/uploads/1/3/1/4/131437689/9164121.pdfIn PDF document text
  • http://files.mistysaromaticboutique.com/uploads/1/3/0/8/130873894/404421.pdfIn PDF document text
  • http://files.lovingthemother.com/uploads/1/3/0/7/130775339/rixajojitugop.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/266b3256-98f7-4b07-a6f4-ce5b74692837/84524814456.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b156fc17-e9b2-4452-a7a4-ccca0032a019/88156471355.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/faa921e1-ca68-4380-abd7-29d439744400/wupesolavawikerogen.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/17b8a6c4-8bdf-4727-a04b-90b770bf10ee/49229089031.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/61e1013e-e382-45ad-af3d-98faa86e64b6/lebevopogoxuze.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ba8129b7-778d-4421-a5df-8b6469d36c3f/93971966494.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/caba030e-6936-415f-a048-3dba0160ad40/64752443699.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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