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://evacdir.com/ZG93bmxvYWR8NTdrT0dwMGJYeDhNVFkxTkRZM05UQXpNbng4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/collachini/?fracing=keds&ottinger=perceptions&T3BlblRhbGsT3B=vionex.wockhardt PDF link annotation

  • https://jariosos.com/upload/files/2022/06/87mDGBBYheFRQWsN3DFy_08_c001eec7facfa37e9a631db111a3f309_file.pdfIn PDF document text
  • https://vincyaviation.com/wp-content/uploads/2022/06/SupRip__Crack___Product_Key_Download_For_Windows.pdfIn PDF document text
  • http://www.suaopiniao1.com.br//upload/files/2022/06/xMfN7iZWq5XUeikzAIkb_08_c001eec7facfa37e9a631db111a3f309_file.pdfIn PDF document text
  • https://articlebuddies.com/wp-content/uploads/2022/06/Perfect_Web_20_Icons__Crack___Free.pdfIn PDF document text
  • https://wocfolx.com/upload/files/2022/06/DtUXvgpoz9cakT62TaLV_08_c001eec7facfa37e9a631db111a3f309_file.pdfIn PDF document text
  • https://www.thegeneralpost.com/wp-content/uploads/2022/06/GTRipple.pdfIn PDF document text
  • https://criptovalute.it/wp-content/uploads/2022/06/jardisab.pdfIn PDF document text
  • https://www.hypebunch.com/upload/files/2022/06/FgTReFmNFcGv15IQNdpT_08_4da1e8f1403c8b21b944d2f43d07a64e_file.pdfIn PDF document text
  • https://rit48.ru/wp-content/uploads/2022/06/valkal.pdfIn PDF document text
  • https://ip-tv.life/wp-content/uploads/2022/06/StartUp_Manager_Crack_X64.pdfIn PDF document text
  • http://www.suaopiniao1.com.br//upload/files/2022/06/xMfN7iZWq5XUeikzAIkb_08_c001eec7facfa37e9a631db111a3f309_fiIn PDF document text
  • https://www.hypebunch.com/upload/files/2022/06/FgTReFmNFcGv15IQNdpT_08_4da1e8f1403c8b21b944d2f43d07a64e_fileIn PDF document text
  • http://evacdir.com/zg93bmxvywr8ntdrt0dwmgjyedhnvfkxtkrzm05uqxpnbng4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/collachini/?fracing=keds&ottinger=perceptions&t3blblrhbgst3b=vionex.wockhardtIn PDF document text
  • https://articlebuddies.com/wp-content/uploads/2022/06/perfect_web_20_icons__crack___free.pdfIn 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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