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.
• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
  PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
• 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://sitesworlds.com/stultification/cHJpc29uYnJlYWtzZWFzb24xZnVsbGR1YmJlZGhpbmRpcHJ.cosying.panoply?ZG93bmxvYWR8aDRZT0dSMlpueDhNVFkxT0RJeE9EazROWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA=measly/wazoo== PDF link annotation

  • https://ak-asyl-mgh.de/advert/serial-nuclear-coffee-videoget-6-0-2-66-32-rar-repack/In PDF document text
  • https://awinkiweb.com/link-download-relief-clip-art-library-artcam/In PDF document text
  • https://hoerakinderschoenen.nl/16-syed-ki-kahani-pdf-260-work/In PDF document text
  • https://dragalacoaching1.com/wp-content/uploads/2022/07/Giveaway_Chord_Pickout_V30_For_Free_TOP.pdfIn PDF document text
  • https://kulturbon.de/wp-content/uploads/2022/07/Old_Marathi_Movies_Pandu_Hawaldar_Download_At_Torr_shopsyste.pdfIn PDF document text
  • http://getpress.hu/blog/unlimited-nasha-movie-download-free-720p-movie/In PDF document text
  • https://vdianying.cc/wp-content/uploads/2022/07/Shamitabh_Hd_1080p_In_Hindi_Download_LINK.pdfIn PDF document text
  • https://cdn.vansfans.cn/img/2022/07/The_Angry_Birds_Movie_English_2_Tamil_Dubbed_Movie_Download_PORTABLE.pdfIn PDF document text
  • https://freecricprediction.com/wp-content/uploads/2022/07/wildari.pdfIn PDF document text
  • http://www.vclouds.com.au/?p=748783In PDF document text
  • https://r-posts.com/wp-content/uploads/2022/07/Sammobile_Premium_CRACKED_Cracked_Apk_28.pdfIn PDF document text
  • https://fam-dog.ch/advert/virtual-usb-drum-kit-ied05-ion-software-and-driver-superunitedkingdomtrmdsf-exclusive/In PDF document text
  • https://www.greatescapesdirect.com/2022/07/frozen-2-full-movie-free-free-download-in-hindi/In PDF document text
  • https://bistrot-francais.com/chintoo-2-marathi-movie-download-link/In PDF document text
  • https://deccan-dental.com/wp-content/uploads/One_Way_Heroics_Plus_Edition_Download_key_VERIFIED.pdfIn PDF document text
  • https://therootbrands.com/wp-content/uploads/2022/07/Doronix_Math_Toolbox_20_Serial_Key.pdfIn PDF document text
  • https://getlolaccounts.com/wp-content/uploads/2022/07/Skidrow_Password_Tool_V17rar.pdfIn PDF document text
  • https://mynaturalhomecuresite.com/68-little-ls-models-9-vids-torrent/In PDF document text
  • https://c-secure.fi/wp-content/uploads/2022/07/Tenchusanportableenglishpatch.pdfIn PDF document text
  • https://expressionpersonelle.com/havij-advanced-sql-injection-1-19/In PDF document text
  • http://sitesworlds.com/stultification/chjpc29uynjlywtzzwfzb24xznvsbgr1ymjlzghpbmrpchj.cosying.panoply?zg93bmxvywr8adrzt0dsmlpuedhnvfkxt0rjee9eazrowhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda=measly/wazoo==In 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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