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 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.
• 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://blogbasters.com/euphemisms/WCBGb3JjZSBLZXlnZW4gQXV0b0NBRCBNZWNoYW5pY2FsIDIwMDcgMzIgQml0IEZyZWUgRG93bmxvYWQWCB/lawnmowers?audacity=markup.silence.spanned&sysreq=ZG93bmxvYWR8dXk5Ym5Kc01IeDhNVFkyTlRjek16ZzBNWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA PDF link annotation

  • https://businessbooster.page/wp-content/uploads/2022/10/ignwand.pdfIn PDF document text
  • https://srilankapropertyhomeandland.com/wp-content/uploads/2022/10/nicflor.pdfIn PDF document text
  • http://www.sedaguzellikmerkezi.com/?p=36760In PDF document text
  • https://www.riobrasilword.com/2022/10/15/crack-exclusive-keygen-autocad-lt-2017-key/In PDF document text
  • http://shalamonduke.com/?p=131221In PDF document text
  • https://www.mozideals.com/advert/the-raincoat-dual-audio-720p-download-better-torrent/In PDF document text
  • https://frostinealps.com/waves-complete-v9-2018-04-11-pc-crack-free/In PDF document text
  • https://peritajesonline.com/wp-content/uploads/2022/10/neuro_programmer_3_activation_key_keygen_12.pdfIn PDF document text
  • https://jasaborsumurjakarta.com/wp-content/uploads/2022/10/dalyev.pdfIn PDF document text
  • https://nakvartire.com/wp-content/uploads/2022/10/Imagina_Ser_Profesora_Nds.pdfIn PDF document text
  • https://peritajesonline.com/wp-In PDF document text
  • http://blogbasters.com/euphemisms/wcbgb3jjzsblzxlnzw4gqxv0b0nbrcbnzwnoyw5py2fsidiwmdcgmzigqml0iezyzwugrg93bmxvywqwcb/lawnmowers?audacity=markup.silence.spanned&sysreq=zg93bmxvywr8dxk5ym5kc01iedhnvfkytlrjek16zzbnwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbdaIn 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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