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.
• 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.
• 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://findthisall.com/bimonthly/U3VydmV5IEJ5cGFzc2VyIEFoY3RlYW0gViAxIDUgMwU3V/ZG93bmxvYWR8WlcxTVdWbVlueDhNVFkxTnpBMk56RTFOSHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/carnivores?malformations=cherdshewasart&cameo PDF link annotation

  • https://seisystem.it/wp-content/uploads/2022/07/razzbar-1.pdfIn PDF document text
  • https://kopinganu.com/wp-content/uploads/2022/07/singham_returns_full_movie_720p_24.pdfIn PDF document text
  • https://nameme.ie/wp-content/uploads/2022/07/Batman_arkham_city_installation_unarcdll_error_fix.pdfIn PDF document text
  • https://www.specialsprings.com//sites/default/files/webform/833/ford-ecat-torrent-49.pdfIn PDF document text
  • https://gmtphone.com/pdf-complete-serial-number-crack-for-22-_top_/In PDF document text
  • http://homedust.com/?p=31536In PDF document text
  • https://busbymetals.com/downloaduopilotbottalisman-link/?p=7058In PDF document text
  • https://integritysmallbusiness.com/wp-content/uploads/2022/07/Azov_Films_49_4_Boys_Sauna_Avi_LINK.pdfIn PDF document text
  • http://vogelmorntennisclub.com/?p=5732In PDF document text
  • https://fsecan.ca/blog/index.php?entryid=3318In PDF document text
  • https://emprendex.udeclass.com/blog/index.php?entryid=3268In PDF document text
  • https://caspianer.com/wp-content/uploads/2022/07/VSO_ConvertXtoDVD_50025_Final_Serial_Key.pdfIn PDF document text
  • https://ameeni.com/upload/files/2022/07/Qrynz84JaVVRKP7iG6Vp_06_434ee7ac36e14ed1db1c024bb5d5196b_file.pdfIn PDF document text
  • https://ctago.org/tally-erp-9-release-4-61-patch-cracked/In PDF document text
  • https://www.madrassah.mu/blog/index.php?entryid=7073In PDF document text
  • https://anandabangalore.org/uncategorized/1990-the-bronx-warriors-portable-download-torrentIn PDF document text
  • https://together-19.com/upload/files/2022/07/EKDmm3XLRoEK7kNNkyp2_06_434ee7ac36e14ed1db1c024bb5d5196b_file.pdfIn PDF document text
  • https://biovanillas.com/nissan-xanavi-dvd-x60-sat-nav-20122013rar-better/In PDF document text
  • https://kopinganu.com/wp-In PDF document text
  • https://nameme.ie/wp-In PDF document text
  • https://integritysmallbusiness.com/wp-In PDF document text
  • https://caspianer.com/wp-In PDF document text
  • https://ameeni.com/upload/files/2022/07/Qrynz84JaVVRKP7iG6Vp_06_434ee7ac36e14edIn PDF document text
  • https://anandabangalore.org/uncategorized/1990-the-bronx-warriors-portable-download-In PDF document text
  • https://together-19.com/upload/files/2022/07/EKDmm3XLRoEK7kNNkyp2_06_434ee7ac3In PDF document text
  • http://findthisall.com/bimonthly/u3vydmv5iej5cgfzc2vyiefoy3rlyw0gviaxidugmwu3v/zg93bmxvywr8wlcxtvdwbvluedhnvfkxtnpbmk56rtfoshg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/carnivores?malformations=cherdshewasart&cameoIn PDF document text
  • https://trello.com/c/5XioXsJ1/49-online-wifi-hacker-for-pc-betterIn PDF document text
  • https://imticheliceba.wixsite.com/tuvibedi/post/18-wheels-of-steel-extreme-trucker-free-~repack~-download-addonsIn PDF document text
  • http://www.tcpdf.orgIn PDF document text
  • https://imticheliceba.wixsite.com/tuvibedi/post/18-wheels-of-steel-extreme-trucker-In 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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