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/advantages/ZG93bmxvYWR8Mkx4WVhjNGQzeDhNVFkxTkRnNU16RTVNWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/sooooo&seing=cGlyYXRlc29mdGhlY2FyaWJiZWFuM2Z1bGxtb3ZpZWluaGluZGlmcmVlZG93bmxvYWQxcGl/sulphide.indistinctness PDF link annotation

  • https://travellersden.co.za/advert/icumsamethodsbookfreedownload/In PDF document text
  • https://www.yourfootballshirt.com/wp-content/uploads/2022/06/Ibm_Spss_20_Keygen_Generator.pdfIn PDF document text
  • https://www.captureyourstory.com/pro100-5-16-full-download/In PDF document text
  • https://www.sparegistrar.com/wp-content/uploads/2022/06/Free_Download_Simapro_71_39l.pdfIn PDF document text
  • http://www.ventadecoches.com/gora-hindi-novel-pdf/In PDF document text
  • https://bluesteel.ie/2022/06/11/lily-of-the-valley-serial-number-verified/In PDF document text
  • https://zariembroidery.com/wp-content/uploads/2022/06/Download_Mastercam_X2_Full_Crack.pdfIn PDF document text
  • https://granadaproperti.com/?p=7635In PDF document text
  • https://btr-pen.com/wp-content/uploads/2022/06/henrmari.pdfIn PDF document text
  • https://limitless-shore-59680.herokuapp.com/marknaol.pdfIn PDF document text
  • https://mywaterbears.org/portal/checklists/checklist.php?clid=7392In PDF document text
  • https://versiis.com/13764/kinamax-w2011-driver-lazim/In PDF document text
  • https://mauritiuslistings.com/wp-content/uploads/2022/06/Brother_PE_Design_1021_Utorrent.pdfIn PDF document text
  • https://healthteb.com/googlemapsemailextractorcrack/In PDF document text
  • https://lifesspace.com/upload/files/2022/06/MgKFbZt1ucdUfoCF8QmD_11_b350952d602b50ea239b296ceba8d0de_file.pdfIn PDF document text
  • https://newsygadgets.com/2022/06/10/power-mill-duct-post-download-rar-__full__/In PDF document text
  • http://campustoast.com/wp-content/uploads/2022/06/gililuci.pdfIn PDF document text
  • https://abckidsclub.pl/kenways-fleet-offline-skidrow-crack/In PDF document text
  • https://coffeemachinesstore.com/wp-content/uploads/2022/06/Industrial_Marketing_By_Krishna_K_Havaldar_Pdf_Free_Download.pdfIn PDF document text
  • https://poetbook.com/upload/files/2022/06/HXM3oukU8H9KjOvWU2hd_11_b350952d602b50ea239b296ceba8d0de_file.pdfIn PDF document text
  • https://coffeemachinesstore.com/wp-In PDF document text
  • http://evacdir.com/advantages/zg93bmxvywr8mkx4wvhjngqzedhnvfkxtkrnnu16rtvnwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/sooooo&seing=cglyyxrlc29mdghly2fyawjizwfum2z1bgxtb3zpzwluagluzglmcmvlzg93bmxvywqxcgl/sulphide.indistinctnessIn PDF document text
  • https://abckidsclub.pl/kenways-fleet-offline-skidrow-crackIn 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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