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://find24hs.com/uninitiated.QXV0b2RhdGEgMy40MCBkb3dubG9hZCBncmF0aXMgcG9ydHVndWVzQXV?coliseum.collie.arcanum.oecumenical.ZG93bmxvYWR8eG00TVdaNGNIeDhNVFkyT1RReE5qUXlPWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA PDF link annotation

  • https://knoxvilledirtdigest.com/wp-content/uploads/2022/11/Sanam_Teri_Kasam_movie_download_720p_kickass_torrent.pdfIn PDF document text
  • https://awamagazine.info/advert/noul-cod-rutier-pdf-download-link-2/In PDF document text
  • http://www.giffa.ru/who/connectify-hotspot-pro-v3-7-1-25486-cracked-raj-newera-full-version/In PDF document text
  • https://ourlittlelab.com/84175-2/In PDF document text
  • https://isaiah58boxes.com/wp-content/uploads/2022/11/Cherry_Rs_6700_Usb_Driver_Download.pdfIn PDF document text
  • http://www.bevispo.eu/wp-content/uploads/2022/11/Alcatel_Office_4200_Software.pdfIn PDF document text
  • http://www.rathisteelindustries.com/prince-of-persia-classic-cracked-ipa-fixed/In PDF document text
  • http://wohnzimmer-kassel-magazin.de/wp-content/uploads/janbem.pdfIn PDF document text
  • https://beachvisitorguide.com/wp-content/uploads/2022/11/Nandanam_Malayalam_Full_Movie_203.pdfIn PDF document text
  • https://sattology.org/wp-content/uploads/2022/11/3d_Master_Kit_71_Crack.pdfIn PDF document text
  • https://knoxvilledirtdigest.com/wp-In PDF document text
  • https://beachvisitorguide.com/wp-In PDF document text
  • http://find24hs.com/uninitiated.qxv0b2rhdgegmy40mcbkb3dubg9hzcbncmf0axmgcg9ydhvndwvzqxv?coliseum.collie.arcanum.oecumenical.zg93bmxvywr8eg00tvdangniedhnvfkyt1rree5quxlpwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbdaIn 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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