Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Cracked-software lure uses shortlink/download gateway critical PDF_CRACKED_SOFTWARE_SHORTLINK_LURE
  PDF visible text advertises a crack, serial number, archive, or pirated-software download and pairs it with a shortlink or encoded download gateway. This is a high-confidence social-engineering carrier for unwanted software or droppers; the PDF itself is not a parser exploit.
• Cracked-software lure uses download-gateway redirectors high PDF_CRACKED_SOFTWARE_REDIRECTOR_LINK_FARM
  PDF contains multiple cracked-software/keygen/serial-key lure links together with long encoded download-gateway URLs or known crack-download redirector hosts. This is stronger than generic piracy vocabulary: the document is an SEO lure that funnels users through redirect/download infrastructure commonly used for adware, unwanted software, or droppers.
• PDF links to a cracked-software download doorway (base64-obfuscated) high PDF_CRACKED_SOFTWARE_DOWNLOAD_DOORWAY
  PDF's embedded link hides a pirated-software title as a base64 blob inside the URL path/query (and/or carries the ``download|`` doorway-template marker), rather than in visible text. This is a TCPDF-generated SEO doorway that ranks for software-piracy searches and funnels users to fake 'crack/keygen' download pages distributing adware, potentially-unwanted programs, or droppers. The base64 encoding is deliberate obfuscation to evade plaintext lure rules; the PDF itself carries no parser exploit — the risk is the linked crack-download destination.
• PDF link farm advertises cracked/pirated software medium PDF_CRACKED_SOFTWARE_LURE
  PDF contains many clickable links whose targets use cracked-software, keygen, serial-key, or warez vocabulary. These are SEO-spam lure documents that rank for software-piracy searches and route users to fake 'crack' download pages distributing potentially-unwanted programs, adware, or droppers. The PDF itself carries no exploit — the risk is the linked destinations.
• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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 http://evacdir.com/boateng/civilized/ZG93bmxvYWR8R0UxTm1wNllueDhNVFkxTkRVNU56VTBNWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/QXV0b0NBRAQXV/cancelled/prelude.cibavision.flows/marquesas/ PDF link annotation

  • https://gotblockz.com/upload/files/2022/06/AQvwuAVecWoVNlwRsMZS_07_ea622a60a3b5b3f905eda5a33df49d8f_file.pdfIn PDF document text
  • https://pilotodedrones.cl/wp-content/uploads/2022/06/eldmar.pdfIn PDF document text
  • http://www.antiquavox.it/autocad-20-1-crack-keygen-full-version-free-3264bit-april-2022/In PDF document text
  • https://timesnest.com/autocad-2023-24-2-crack-free-for-windows/In PDF document text
  • https://plugaki.com/upload/files/2022/06/K8BAoTcSw5c3LAvzLexl_07_3fe677dfd431d026c83a604d8723b8af_file.pdfIn PDF document text
  • https://atennis.kz/tour/upload/files/2022/06/cqWbGTsrhLCfT9Dkq6gV_07_ea622a60a3b5b3f905eda5a33df49d8f_file.pdfIn PDF document text
  • https://72bid.com?password-protected=loginIn PDF document text
  • https://vasclanek.cz/wp-content/uploads/2022/06/AutoCAD-13.pdfIn PDF document text
  • http://freemall.jp/autocad-crack-free-download-win-mac.htmlIn PDF document text
  • https://ldssystems.com/wp-content/uploads/wisgarr.pdfIn PDF document text
  • https://praxisboerse-arbeitsmedizin.de/wp-content/uploads/2022/06/AutoCAD-21.pdfIn PDF document text
  • https://tuscomprascondescuento.com/2022/06/07/autocad-crack-latest-2022-2/In PDF document text
  • https://ictlife.vn/upload/files/2022/06/RM1YQhwHPpiDUtfESSAz_07_3fe677dfd431d026c83a604d8723b8af_file.pdfIn PDF document text
  • http://www.midwestmakerplace.com/?p=6873In PDF document text
  • http://www.ventadecoches.com/autocad-patch-with-serial-key/In PDF document text
  • https://oscareventshouse.uk/wp-content/uploads/2022/06/malotal.pdfIn PDF document text
  • https://4j90.com/wp-content/uploads/2022/06/AutoCAD-28.pdfIn PDF document text
  • https://endlessorchard.com/autocad-crack-free-download-3264bit-updated-2022/In PDF document text
  • https://www.15heures.com/humour-noir/p/70502In PDF document text
  • https://jariosos.com/upload/files/2022/06/qrl74kMGUYrPyAAamO5f_07_4ef22b8fa5e2b221370daa162e33c4da_file.pdfIn PDF document text
  • http://evacdir.com/boateng/civilized/zg93bmxvywr8r0uxtm1wnlluedhnvfkxtkrvnu56vtbnwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/qxv0b0nbraqxv/cancelled/prelude.cibavision.flows/marquesas/In PDF document text
  • http://www.tcpdf.orgIn 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/xap/1.0/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://www.aiim.org/pdfa/ns/extension/In PDF document text
  • http://www.aiim.org/pdfa/ns/schema#In PDF document text
  • http://www.aiim.org/pdfa/ns/property#In PDF document text
  • http://www.aiim.org/pdfa/ns/id/In PDF document text

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