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/RG93bmxvYWQgRnVsbCBQb3d0b29uIFRvcnJlbnQRG9/hemorrhoidal/humectants/abreu.succulents=laptop/ZG93bmxvYWR8T2YwWldFNWFueDhNVFkxTkRnNU16RTVNWHg4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA/llibreteria PDF link annotation

  • https://startacting.ru/?p=13176In PDF document text
  • http://fystop.fi/?p=23613In PDF document text
  • https://futurestrongacademy.com/wp-content/uploads/2022/06/Adiboo_Magical_Playland_Download_15.pdfIn PDF document text
  • http://mysleepanddreams.com/siyar-alam-an-nubala-indonesia-pdf-download-full/In PDF document text
  • http://www.male-blog.com/2022/06/11/senran-kagura-burst-renewal-download-cracked-pc/In PDF document text
  • https://gyllendal.com/wp-content/uploads/2022/06/Windows_10_Enterprise_LTSC_2019_X64_MULTi23_NOV_2018_Gen2_Ke.pdfIn PDF document text
  • http://concourse-pharmacy.com/?p=5198In PDF document text
  • https://beautysecretskincarespa.com/2022/06/11/blackmagic-2-8-6-portable-rar-__full__/In PDF document text
  • http://supreo.fr/wp-content/uploads/2022/06/archqui.pdfIn PDF document text
  • https://daviddelojo.com/wp-content/uploads/2022/06/Torrent_Simulia_Abaqus_6_13_32bit.pdfIn PDF document text
  • https://tazeleblebial.com/wp-content/uploads/2022/06/Ncp_Secure_Entry_Client_931_Crack.pdfIn PDF document text
  • https://myhomemart.net/wp-content/uploads/2022/06/Enter_Password_For_The_Encrypted_File_Setup_AutoCAD_Design_S.pdfIn PDF document text
  • https://rwix.ru/wp-content/uploads/2022/06/Director_115_Serial_Number_Mac_Mini.pdfIn PDF document text
  • http://adomemorial.com/2022/06/11/descargar-fritz-12-gratis-completo-crack-serial/In PDF document text
  • http://www.kotakenterprise.com/stamatis-spanoudakis-for-dori-piano-sheet-music-hot/In PDF document text
  • https://www.digitalgreenwich.com/_verified_-download-ramayana-the-epic-full-movie-hd-1080p/In PDF document text
  • https://cuteteddybearpuppies.com/wp-content/uploads/2022/06/maryjam.pdfIn PDF document text
  • http://www.fithotech.com/wp-content/uploads/2022/06/warigree.pdfIn PDF document text
  • https://taxi2b.social/upload/files/2022/06/UDkTu6fK26QtvABXwcTe_11_b7fc56486dd689b649b451c491bc4917_file.pdfIn PDF document text
  • http://evacdir.com/rg93bmxvywqgrnvsbcbqb3d0b29uifrvcnjlbnqrg9/hemorrhoidal/humectants/abreu.succulents=laptop/zg93bmxvywr8t2ywwldfnwfuedhnvfkxtkrnnu16rtvnwhg4twpvm05iedhlrtbwsuhkbflxuxrzbxh2wnlcyljtrnpkq0jiulu1za/llibreteriaIn PDF document text
  • https://spacezozion.nyc3.digitaloceanspaces.com/upload/files/2022/06/NMzOj1cee381JrxsGmD5_11_b7fc56486dd689b649b451c491bc4917_file.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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