Malicious PDF — malware analysis report

Heuristics 7

• 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 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://widesearchengine.com/ZG93bmxvYWR8VmQzTTJ0emFueDhNVFkxT0RJeE9UUTNNM3g4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA.committing=noose?downhearted=sorenstam&excelling=playland&taxis=dW4gcGFzZW8gcGFyYSByZWNvcmRhciAxMDgwcCBtZWdhdW4 PDF link annotation

  • https://www.hajjproperties.com/advert/la-riffa-1991-dvdriptorrent-upd/In PDF document text
  • https://lycon.fi/wp-content/uploads/2022/07/triskari.pdfIn PDF document text
  • http://cubaricosworld.com/wp-content/uploads/2022/07/Jeppview_1505_utorrent.pdfIn PDF document text
  • https://www.cooks.am/wp-content/uploads/2022/07/Coolorus_Photoshop_Cc_Crack_TOP_17.pdfIn PDF document text
  • https://superyacht.me/advert/tumko-dekha-to-dil-ne-yeh-kaha-lagta-hai-ki-sari-duniya-haseen-haimp3-fix/In PDF document text
  • http://valentinesdaygiftguide.net/?p=74178In PDF document text
  • https://knowconhecimento.com/wp-content/uploads/2022/07/Zoran_Milivojevic_Formule_Ljubavipdf_Superman_Mises_Zoofi.pdfIn PDF document text
  • https://www.acvconsultoria.com/wp-content/uploads/2022/07/fitssha.pdfIn PDF document text
  • https://aboe.vet.br/advert/tamper-data-firefox-23-better/In PDF document text
  • https://falah.academy/wp-content/uploads/2022/07/Bkpps3_Bin_Ofw_BETTER.pdfIn PDF document text
  • https://consemaracademy.com/wp-content/uploads/2022/07/Keygen_keygen_corel_x7_download_free_full_version.pdfIn PDF document text
  • https://sandylaneestatebeachclub.com/wp-content/uploads/2022/07/betyat.pdfIn PDF document text
  • https://kireeste.com/farmingsimulator19codexskidrow-fixed/In PDF document text
  • https://www.chiesacristiana.eu/2022/07/27/football-manager-2005-patch-505-crack-portable/In PDF document text
  • http://feelingshy.com/wp-content/uploads/2022/07/neryshar-1.pdfIn PDF document text
  • http://torbayexperts.com/wp-content/uploads/2022/07/descargar_presto_88_mas_crack.pdfIn PDF document text
  • http://greatriverfamilypromise.org/?p=14037In PDF document text
  • https://www.papouelli.com/omsi-2-add-on-aachen-torrent-full-hot/In PDF document text
  • http://wp2-wimeta.de/bartnitzky-sprachunterricht-heute-pdf-15/In PDF document text
  • http://widesearchengine.com/zg93bmxvywr8vmqzttj0emfuedhnvfkxt0rjee9uutnnm3g4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda.committing=noose?downhearted=sorenstam&excelling=playland&taxis=dw4gcgfzzw8gcgfyysbyzwnvcmrhciaxmdgwccbtzwdhdw4In PDF document text
  • https://warriorplus.com/o2/a/vqvqcq/0?p=31768In 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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