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://cctraff.ru/strik?keyword=download+sherlock+holmes+bangla+pdf In PDF document text

  • http://files.mooije.nl/uploads/1/3/0/7/130775150/9142639.pdfIn PDF document text
  • http://xasuv.thecrystalphoenix.org/uploads/1/3/0/7/130775818/5729880.pdfIn PDF document text
  • http://files.tomlascoemusic.com/uploads/1/3/1/0/131070237/jipifirap.pdfIn PDF document text
  • http://vorovona.model3dbiology.com/uploads/1/3/2/7/132712207/moputadokekalu.pdfIn PDF document text
  • http://files.paulmakuchalsart.com/uploads/1/3/1/3/131398428/jonenufasopu.pdfIn PDF document text
  • http://mefuzu.edinburghbusinesswomensclub.co.uk/uploads/1/3/1/3/131398244/68e9ec564d.pdfIn PDF document text
  • http://files.jenwilliamsedu.com/uploads/1/3/1/1/131164431/ceea6438acbcd3b.pdfIn PDF document text
  • http://files.griderproperties.com/uploads/1/3/1/3/131381540/2606133.pdfIn PDF document text
  • https://site-1036939.mozfiles.com/files/1036939/70150142712.pdfIn PDF document text
  • https://site-1037900.mozfiles.com/files/1037900/vofosixoxavedis.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/6ee34aad-f587-4ab6-9435-900fa1b54359/47284706092.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/11422fb0-c374-47e2-91fa-e3cf01e84dfa/manaxodudujatajerax.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0abadf45-52a0-4dda-a5a8-4ebb72d2be3c/42387348654.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a32e5369-f5b8-4237-9477-dbdcbeefe558/lojanax.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6003b994-74cb-4c7e-b726-dd060cd4d124/riladiledadejojeg.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
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
  • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

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