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://thedirsite.com/underdeveloped/humko/interlacing=nationalists&lithotomy=ZG93bmxvYWR8UlgyTkd4M1lYeDhNVFkzTURnek5ETXdPWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA&SVNPQnVkZHkSVN=minuets PDF link annotation

  • https://jemi.so/popcap-games-top-crack-mac-recipeIn PDF document text
  • https://marshryt.by/wp-content/uploads/Happy-Feet-Two-Theme-Crack-Free-Download.pdfIn PDF document text
  • https://ccazanzibar.com/wp-content/uploads/2022/12/bulgkamy.pdfIn PDF document text
  • http://legalzonebd.com/wp-content/uploads/2022/12/lynhend.pdfIn PDF document text
  • https://ibipti.com/wp-content/uploads/2022/12/Auslogics-Disk-Defrag-Screen-Saver.pdfIn PDF document text
  • https://turbulentelevenvansissi.nl/wp-content/uploads/2022/12/KeepinTouch-Pro-Crack-Full-Product-Key-PCWindows-2022.pdfIn PDF document text
  • https://thetouringpandas.com/wp-content/uploads/2022/12/Theme-Editor.pdfIn PDF document text
  • https://pulpitsupplypreachers.com/wp-content/uploads/2022/12/Universal-Serial-Generator.pdfIn PDF document text
  • https://iamstudent.net/wp-content/uploads/2022/12/Rizone-3D-Box-Creator.pdfIn PDF document text
  • https://music-quest.com/wp-content/uploads/2022/12/volger-1.pdfIn PDF document text
  • https://bvcosp.com/wp-content/uploads/2022/12/ImTOO-DVD-to-3GP-Converter.pdfIn PDF document text
  • https://turbulentelevenvansissi.nl/wp-content/uploads/2022/12/KeepinTouch-Pro-Crack-Full-Product-In PDF document text
  • http://thedirsite.com/underdeveloped/humko/interlacing=nationalists&lithotomy=zg93bmxvywr8ulgytkd4m1lyedhnvfkzturnek5etxdpwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda&svnpqnvkzhksvn=minuetsIn PDF document text
  • https://techplanet.today/post/teargas-dark-or-blue-album-exclusive-download-mp3-40In PDF document text
  • https://techplanet.today/post/cve-2020-9033-syncserver-s100-firmware-syncserver-s200-firmware-syncserver-s250-firmware-syncser-hotIn PDF document text
  • https://techplanet.today/post/milkman-showerboysIn PDF document text
  • https://techplanet.today/post/chimera-tool-crack-hot-keygen-98In PDF document text
  • https://techplanet.today/post/moneyline-personal-finance-software-crack-extra-qualityIn PDF document text
  • https://techplanet.today/post/inventor-nesting-2018-x32torrentIn PDF document text
  • https://techplanet.today/post/quickload-database-update-cd-v38-64-bit-topIn PDF document text
  • https://reallygoodemails.com/leofragmteohoIn PDF document text
  • https://techplanet.today/post/fable-3-serial-number-pc-exclusiveIn PDF document text
  • https://reallygoodemails.com/squalsputtorriIn PDF document text
  • https://reallygoodemails.com/seihisterppuIn PDF document text
  • https://techplanet.today/post/solucionarioresistenciadematerialesschaumwilliamnash-1In PDF document text
  • https://techplanet.today/post/asian-heels-cat-torture-crush-a28-rmvb-betterIn PDF document text
  • https://techplanet.today/post/cve-2020-9033-syncserver-s100-firmware-syncserver-s200-firmware-syIn PDF document text
  • http://dejavu.sourceforge.netIn extracted file (stream_006_off00004418.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_006_off00004418.bin)

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