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://blogbasters.com/ZG93bmxvYWR8ZnoyTVdwbGVYeDhNVFkxT0RJeE9ETTBOSHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/huddling/?hypermedia=legality&lusty=numbs&QXV0b0NBRAQXV=vionex.wockhardt PDF link annotation

  • https://ayurmegha.com/wp-content/uploads/2022/07/AutoCAD-7.pdfIn PDF document text
  • https://www.holidaysincornwall.com/wp-content/uploads/2022/07/famsir.pdfIn PDF document text
  • https://www.chimfab.com/wp-content/uploads/2022/07/AutoCAD.pdfIn PDF document text
  • http://ulegal.ru/wp-content/uploads/2022/07/yazmval.pdfIn PDF document text
  • http://www.4aquan.com/wp-content/uploads/2022/07/AutoCAD__Crack_For_Windows_2022.pdfIn PDF document text
  • https://kedaifood.com/wp-content/uploads/2022/07/jamieil.pdfIn PDF document text
  • http://wp2-wimeta.de/autocad-crack-with-product-key-free-winmac-2022/In PDF document text
  • http://grupograndi.com/wp-content/uploads/2022/07/renphyl.pdfIn PDF document text
  • https://www.sanitea.com/wp-content/uploads/AutoCAD-36.pdfIn PDF document text
  • https://bestvacuumforcar.com/autocad-24-2-free-for-pc/In PDF document text
  • https://solaceforwomen.com/autocad-crack-34/In PDF document text
  • https://fightfortransparencysociety.org/wp-content/uploads/2022/07/ocearaou.pdfIn PDF document text
  • https://bullygirlmagazine.com/advert/autocad-23-0-crack/In PDF document text
  • http://sturgeonlakedev.ca/2022/07/23/autocad-21-0-crack-serial-number-full-torrent-download-for-pc-updated/In PDF document text
  • https://annesiret.com/autocad-crack-for-pc-latest-2/In PDF document text
  • https://readycoins.com/wp-content/uploads/2022/07/AutoCAD__Patch_With_Serial_Key.pdfIn PDF document text
  • http://www.giffa.ru/societyrelationships/autocad-19-1-with-key-free-download/In PDF document text
  • https://kmtu82.org/autocad-crack-free-license-key-download/In PDF document text
  • https://aboutdance.com.ua/advert/autocad-2023-24-2-free-registration-code-free-download/In PDF document text
  • http://artterredauvergne.fr/wp-content/uploads/2022/07/petrnar.pdfIn PDF document text
  • http://sturgeonlakedev.ca/2022/07/23/autocad-21-0-crack-serial-number-full-torrent-download-for-pc-In PDF document text
  • http://blogbasters.com/zg93bmxvywr8znoytvdwbgvyedhnvfkxt0rjee9ettboshg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/huddling/?hypermedia=legality&lusty=numbs&qxv0b0nbraqxv=vionex.wockhardtIn 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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