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.
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://rocketcarrental.com/ZG93bmxvYWR8NWZQTnpkalpIeDhNVFkxT0RJeU1EZzJObng4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/enamored.carelessly?VW5FcGljVW5=enteric=evaluation=gault PDF link annotation

  • https://jasaborsumurjakarta.com/the-capture-worlds-trainer-2022-latestIn PDF document text
  • https://www.vclouds.com.au/coma-lost-in-the-maze-cheat-code-march-2022/In PDF document text
  • http://www.ambulatorioveterinarioiaccarino.it/wp-content/uploads/2022/07/xantkah.pdfIn PDF document text
  • https://womss.com/completely-lar-lar-hacked/In PDF document text
  • http://tichct.ir/wp-content/uploads/2022/07/SRX_The_Game.pdfIn PDF document text
  • https://www.vetorthopaedics.com/wp-content/uploads/2022/07/devlxand.pdfIn PDF document text
  • https://ninja-hub.com/cloudborn-universal-keygen-free-mac-win-updated/In PDF document text
  • http://belcomcorp.com/wp-content/uploads/2022/07/whytgar.pdfIn PDF document text
  • http://www.cad2parts.com/?p=14391In PDF document text
  • https://best-housing.nl/wp-content/uploads/2022/07/marnott.pdfIn PDF document text
  • https://www.sumisurabespoke.it/wp-content/uploads/2022/07/THE_KING_OF_FIGHTERS_XV_Trainer_With_Product_Key_MacWin.pdfIn PDF document text
  • https://guatemall.club/wp-content/uploads/2022/07/Mystery_House_fivestones.pdfIn PDF document text
  • https://togetherwearegrand.com/copa-petrobras-de-marcas-cheat-code-pc-windows/In PDF document text
  • http://ratucnc.com/?p=11091In PDF document text
  • https://www.beaches-lakesides.com/wp-content/uploads/2022/07/Next_Stop_3_Nulled__Activation_Code_With_Keygen_Free_For_Windows.pdfIn PDF document text
  • https://afribizkid.africa/wp-content/uploads/2022/07/ninerhe.pdfIn PDF document text
  • https://l1.intimlobnja.ru/wp-content/uploads/2022/07/god_wars_the_complete_legend__true_three_sacred_treasures_se.pdfIn PDF document text
  • https://www.abiabc.com/wp-content/uploads/2022/07/Lost_In_Reefs_Antarctic_Serial_Number___Full_Version.pdfIn PDF document text
  • https://unsk186.ru/wp-content/uploads/Sayonara_Golden_Days.pdfIn PDF document text
  • https://cawexo.com/wp-content/uploads/2022/07/janque.pdfIn PDF document text
  • https://www.sumisurabespoke.it/wp-In PDF document text
  • https://www.beaches-lakesides.com/wp-content/uploads/2022/07/Next_Stop_3_Nulled__Activation_CoIn PDF document text
  • https://l1.intimlobnja.ru/wp-In PDF document text
  • https://www.abiabc.com/wp-In PDF document text
  • http://rocketcarrental.com/zg93bmxvywr8nwzqtnpkalpiedhnvfkxt0rjeu1ezzjobng4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/enamored.carelessly?vw5fcgljvw5=enteric=evaluation=gaultIn 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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