Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://starsearchtool.com/albany.dyrdek/odorize/VWxlYWQgUGhvdG8gRXhwcmVzcyA2IDAgQWN0aXZhdGlvbiBDb2RlVWx?ZG93bmxvYWR8ejZDYWpZd2NIeDhNVFkyTlRjek16ZzBNWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA&necrophobia PDF link annotation

  • https://www.webcard.irish/aadadeaadharamserialtitlesongdownload-new/In PDF document text
  • https://thelacypost.com/preteen-dark-pthc/In PDF document text
  • https://ppetn.com/wp-content/uploads/2022/10/ELOoffice_1100016_Keygen.pdfIn PDF document text
  • https://lannews.net/advert/sugiono-metode-penelitian-kulitatif-dan-kuantitatif-pdf-top/In PDF document text
  • https://ebs.co.zw/advert/geet-gata-chal-hindi-movie-free-download-extra-quality/In PDF document text
  • https://omaamart.com/wp-content/uploads/2022/10/Ivt_Bluesoleil_803560_Crack_Serial_Keygen_TOP13.pdfIn PDF document text
  • http://mariasworlds.com/index.php/2022/10/15/toad-for-oracle-9-6-9-5-serial-key-keygen-hot/In PDF document text
  • https://thirdperspectivecapital.com/wp-content/uploads/2022/10/kapygabr.pdfIn PDF document text
  • http://sourceofhealth.net/2022/10/15/gta-san-andreas-myth-mod-link/In PDF document text
  • https://www.hajjproperties.com/advert/photoprint10ripsoftwarecrackdownload-work/In PDF document text
  • https://omaamart.com/wp-In PDF document text
  • http://starsearchtool.com/albany.dyrdek/odorize/vwxlywqgughvdg8grxhwcmvzcya2idagqwn0axzhdglvbibdb2rlvwx?zg93bmxvywr8ejzdywpzd2niedhnvfkytlrjek16zzbnwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda&necrophobiaIn 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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