Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://godsearchs.com/ZjEtZjkgbWFjcm8gc3BhbW1lciA0IHJhZ25hcm9rLnppcAZjE?liberally=lugers?ZG93bmxvYWR8NVpiY1hsdWFueDhNVFkxT0RBd05qWTVPWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA=ransoms&lyons=rainbow PDF link annotation

  • http://indir.fun/?p=46460In PDF document text
  • http://www.reiten-scheickgut.at/wp-content/uploads/2022/07/Title_Meshfree_Approximation_Methods_With_Matlab_rar.pdfIn PDF document text
  • https://autko.nl/2022/07/bin-bulaye-baraati-full-movie-free-download-hd-portable/In PDF document text
  • https://coolbreezebeverages.com/download-idautomationc128l-ttf-link/In PDF document text
  • https://www.greatescapesdirect.com/wp-content/uploads/2022/07/HARDCORE_MECHA_PC_Game_Free_UPD_Download.pdfIn PDF document text
  • https://anipal.es/wp-content/uploads/2022/07/Rugrats_Adventure_Game_Pc_Cd_Download_FULL.pdfIn PDF document text
  • https://unibraz.org/patchcommentairearabepes2013pc/In PDF document text
  • https://www.rhodiusiran.com/wp-content/uploads/2022/07/accurip_black_pearl_crack_13.pdfIn PDF document text
  • https://www.techclipse.com/ispring-presenter-7-crack-link-full/In PDF document text
  • https://parsiangroup.ca/2022/07/jung-und-frei-magazine-pictures-2012-96/In PDF document text
  • https://traveldeals247.com/fundy-designer-v6-crack-top-windows-2/In PDF document text
  • http://www.antiquavox.it/hd-online-player-secret-tamil-movie-free-download-in-fix/In PDF document text
  • https://arteshantalnails.com/wp-content/uploads/2022/07/samsung_s3850_multiloader_v565_206.pdfIn PDF document text
  • http://dragonsecho.com/?p=12616In PDF document text
  • https://africanscientists.africa/wp-content/uploads/2022/07/Zero_Dark_Thirty_2012_720p_BRRip_Dual_Audio_X264HKRG.pdfIn PDF document text
  • http://jayaabadiexpress.com/?p=3943In PDF document text
  • https://www.romashopcity.com/wp-content/uploads/2022/07/Aaaman_Hindi_Font_20_FREE.pdfIn PDF document text
  • https://valentinesdaygiftguide.net/2022/07/18/toneboosters-all-plugins-bundle-v3-0-8-keygen-r2r-atom-full-version-hot/In PDF document text
  • https://blu-realestate.com/adesk-patcher32-exe-free-download-for-revit-2012-top/In PDF document text
  • https://donin.com.br/advert/kitab-zabur-asli-pdfl-install/In PDF document text
  • http://godsearchs.com/zjetzjkgbwfjcm8gc3bhbw1lcia0ihjhz25hcm9rlnppcazje?liberally=lugers?zg93bmxvywr8nvpiy1hsdwfuedhnvfkxt0rbd05qwtvpwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda=ransoms&lyons=rainbowIn 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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