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.
• 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://blogbasters.com/?redirected=QmVybXVkYSAtIExvc3QgU3Vydml2YWwQmV&safeguard=sportsbooks/ZG93bmxvYWR8MmhwYVhKdmIzeDhNVFkxT1RJeE1qWTRObng4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA.saturn PDF link annotation

  • https://www.the-fox.it/2022/07/30/threatgen-red-vs-blue-crack-file-only-with-product-key/In PDF document text
  • http://iselinfamilylaw.com/apartment-3301-activation-april-2022-2/In PDF document text
  • https://kallatoyotasengkang.com/2022/07/31/stardust-galaxy-warriors-strike-update-soundtrack-product-key-latest-2022/In PDF document text
  • https://selectatalent.com/wp-content/uploads/2022/07/Around_The_World_In_80_Days_Keygen___Free_2022.pdfIn PDF document text
  • https://thexchangeshop.com/wp-content/uploads/2022/07/intgla.pdfIn PDF document text
  • https://ozarkinstitute.oncospark.com/wp-content/uploads/2022/07/jancha-1.pdfIn PDF document text
  • https://www.webcard.irish/wp-content/uploads/2022/07/Fantasy_Grounds__Scum_amp_Villainy_Volume_8_Token_Pack.pdfIn PDF document text
  • https://nb-gallery.com/wp-content/uploads/2022/07/yilykeal.pdfIn PDF document text
  • https://do.my/wp-content/uploads/2022/07/Carton_Keygen_Crack_Serial_Key__2022.pdfIn PDF document text
  • http://noverfood.com/audica-sia-ft-kendrick-lamar-quotthe-greatest-quot-keygen-download-2022-latest/In PDF document text
  • https://zum-token.com/�����������-crack-free-download/In PDF document text
  • https://kazacozum.com/wp-content/uploads/2022/07/Cave_Nightmare.pdfIn PDF document text
  • https://www.52zhongchou.com/wp-content/uploads/2022/07/Fluffy_Gore.pdfIn PDF document text
  • https://healinghillary.com/nostradamus-the-last-prophecy-crack-download-2022/In PDF document text
  • http://www.male-blog.com/wp-content/uploads/2022/07/birkaf.pdfIn PDF document text
  • http://blogbasters.com/?redirected=qmvybxvkysatiexvc3qgu3vydml2ywwqmv&safeguard=sportsbooks/zg93bmxvywr8mmhwyvhkdmizedhnvfkxt1rjee1qwtrobng4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda.saturnIn 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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