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://awarefinance.com/UGxhc3RpY2FseXBzZSAtIFN1Ym1hcmluZSBBZHZlbnR1cmVzUGx/carfantasy?ramification=airfield&supergroup=ZG93bmxvYWR8SGw0TW1ZeWJYeDhNVFkxT0RJeU1EZzJObng4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA& PDF link annotation

  • https://cb4.travel/wp-content/uploads/2022/07/Carma.pdfIn PDF document text
  • https://secretcs2020.com/wp-content/uploads/2022/07/Bookend_keygenexe__WinMac.pdfIn PDF document text
  • https://www.voyavel.it/playing-history-vikings-keygen-crack-serial-key-license-keygen-free-download-march-2022/In PDF document text
  • http://captiv8cleveland.com/wp-content/uploads/2022/07/kaphier.pdfIn PDF document text
  • https://toilesdusoleil-montpellier.com/wp-content/uploads/2022/07/Blazing_Sails__Undead_Pirate_Pack-1.pdfIn PDF document text
  • https://roundabout-uk.com/wp-content/uploads/RPG_Maker_MZ__PXL_Pack_Keygen__Activation_Key_Download_March2022.pdfIn PDF document text
  • https://polyglothealth.com/wp-content/uploads/Groove_Coaster__Kodoku_na_hana.pdfIn PDF document text
  • https://buyliveme.com/wp-content/uploads/2022/07/Beast_Pets.pdfIn PDF document text
  • https://imarsorgula.com/wp-content/uploads/2022/07/CW_Chaco_War.pdfIn PDF document text
  • http://barrillos.org/2022/07/19/16-bit-soccer-cheat-code-for-windows-2022/In PDF document text
  • https://www.ticonsiglioperche.it/assetto-corsa-porsche-pack-i-trainer-updated/uncategorized/In PDF document text
  • https://www.luckyanimals.it/dice-vs-dice-full-license/In PDF document text
  • https://meinemarkemeingesicht.de/wp-content/uploads/2022/07/Bright_Memory_Infinite_Cheongsam_Blue_Flowers_DLC_Trainer_Serial_Key_3264bit.pdfIn PDF document text
  • https://aapanobadi.com/2022/07/19/jetbounce-crack-with-serial-number-free-updated-2022/In PDF document text
  • https://realbeen.com/wp-content/uploads/2022/07/faxafoe.pdfIn PDF document text
  • https://www.fashionservicenetwork.com/wp-content/uploads/2022/07/reeull.pdfIn PDF document text
  • https://rwix.ru/wp-content/uploads/2022/07/Hoodo.pdfIn PDF document text
  • https://h-stop.com/wp-content/uploads/2022/07/Holobunnies_Pause_Cafe__Soundtrack_Serial_Number__Free_Download.pdfIn PDF document text
  • https://eskidiyse.com/index.php/probe-soundtrack-crack-full-version/In PDF document text
  • https://logicbg.com/wp-content/uploads/2022/07/funchry.pdfIn PDF document text
  • http://awarefinance.com/ugxhc3rpy2fsexbzzsatifn1ym1hcmluzsbbzhzlbnr1cmvzugx/carfantasy?ramification=airfield&supergroup=zg93bmxvywr8sgw0tw1zewjyedhnvfkxt0rjeu1ezzjobng4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda&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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