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://mydrugdir.com/?VGhlIGR5bmFtaWMgbGlicmFyeSBybGQuZGxsIGZhaWxlZCB0byBpbml0aWFsaXplIGU0MDgVGh=plekah&cookies=skitted&vaudeville=ZG93bmxvYWR8Tm8xTVdkcVozeDhNVFkyTWpZNE1ETTVNSHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA=figuratively PDF link annotation

  • https://www.cma-pub.com/wp-content/uploads/2022/09/Hatim_Drama_Star_Plus_Full_Free_Download_170-1.pdfIn PDF document text
  • https://www.zmiksowane.com/wp-content/uploads/2022/09/sabrfay.pdfIn PDF document text
  • https://www.vakantiehuiswinkel.nl/access-3-students-book-exclusive-download/In PDF document text
  • http://persemediagroup.com/indesign-cs6-32-bit-crack-verified/In PDF document text
  • https://shoeytravels.com/wp-content/uploads/2022/09/vivekachudamanibyswamichinmayanandapdfdownload.pdfIn PDF document text
  • http://adomemorial.com/2022/09/09/opencart-xml-import-pro-nulled-meaning-hot/In PDF document text
  • https://lifemyway.online/wp-content/uploads/2022/09/Ample_Guitar_T_Torrent_2021.pdfIn PDF document text
  • https://bullygirlmagazine.com/advert/kundli-software-leostar-cracked-tooth-hot/In PDF document text
  • https://estatezone.net/full-pl-sql-developer-7-link/In PDF document text
  • http://lovelyonadime.com/kaspersky-trial-reset-krt-club-2-0-0-35-rar-best/kaspersky-trial-reset-krt-club-2-0-0-35-rar-best/In PDF document text
  • http://rootwordsmusic.com/2022/09/09/3dsixpackforsonyvegasserial/In PDF document text
  • https://murmuring-beach-41144.herokuapp.com/reysap.pdfIn PDF document text
  • https://ryansellsflorida.com/2022/09/09/atf-box-crack-v8-90-full-working-free/In PDF document text
  • https://lavavajillasportatiles.com/wp-content/uploads/2022/09/Free_Download_Software_Fingerspot_Compact_Seriesl_CRACKED.pdfIn PDF document text
  • http://overtorneaevenemang.se/?p=11243In PDF document text
  • http://www.jbdsnet.com/download-directx-version-9-0-for-gta-san-andreas-top/In PDF document text
  • https://serippyshop.com/guitar-pro-6-0-9-r9934-full-keygen-top/In PDF document text
  • https://nashvilleopportunity.com/genie-morman-incest-link/In PDF document text
  • http://newsafrica.world/?p=64570In PDF document text
  • https://theblinkapp.com/havij-1-17-pro-exclusive-cracked-by-aore-team/In PDF document text
  • https://www.cma-pub.com/wp-In PDF document text
  • https://shoeytravels.com/wp-In PDF document text
  • http://lovelyonadime.com/kaspersky-trial-reset-krt-club-2-0-0-35-rar-best/kaspersky-trial-reset-krt-In PDF document text
  • https://lavavajillasportatiles.com/wp-In PDF document text
  • http://mydrugdir.com/?vghligr5bmftawmgbglicmfyesbybgquzgxsigzhawxlzcb0bybpbml0awfsaxpligu0mdgvgh=plekah&cookies=skitted&vaudeville=zg93bmxvywr8tm8xtvdkcvozedhnvfkytwpzne1ettvnshg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda=figurativelyIn 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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