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://findinform.com/differs/.loveletter/TWFzdGVycyBvZiBQdXp6bGUgLSBCbGFjayBhbmQgV2hpdGUgLSA5ODATWF/ZG93bmxvYWR8SWM2TTI5b2VueDhNVFkxT0RJeU1EZzJObng4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/nflthc/intamcy.benson PDF link annotation

  • http://www.ecomsrl.it/the-mors-hack-mod-pc-windows/In PDF document text
  • https://65yee.com/wp-content/uploads/2022/07/Retro_Classix_SRD__Super_Real_Darwin_Crack_Patch__Download_For_PC_Updated2022.pdfIn PDF document text
  • https://toilesdusoleil-montpellier.com/wp-content/uploads/2022/07/hazekers.pdfIn PDF document text
  • http://tichct.ir/wp-content/uploads/2022/07/talhibe.pdfIn PDF document text
  • https://prwebads.com/fires-at-midnight-art-book-crack-patch-activator-for-pc-latest-2022/In PDF document text
  • https://ibipti.com/cube-man-trainer-free-2022/In PDF document text
  • https://teenmemorywall.com/super-ultimatum-quiz-activation-license-key-for-windows/In PDF document text
  • https://www.ecobags.in/wp-content/uploads/2022/07/wellqua.pdfIn PDF document text
  • https://www.petisliberia.com/demonblood-trainer-serial-number-full-torrent-download/In PDF document text
  • http://srilankapropertyhomeandland.com/wp-content/uploads/2022/07/derynota.pdfIn PDF document text
  • http://chicfashic.com/?p=4352In PDF document text
  • https://foam20.com/wp-content/uploads/2022/07/360_No_Scope_Arena-1.pdfIn PDF document text
  • http://trabajosfacilespr.com/wp-content/uploads/2022/07/wylecael.pdfIn PDF document text
  • https://intrendnews.com/paper-shakespeare-stick-julius-caesar-with-a-dagger-coach-free-for-home-windows-updated-2022/In PDF document text
  • https://fitadina.com/wp-content/uploads/2022/07/Mars_Power_Industries_Deluxe.pdfIn PDF document text
  • https://studiolegalefiorucci.it/2022/07/19/rpg-maker-vx-ace-karugamo-contemporary-bgm-pack-01-crack-full-version-3264bit-march-2022/In PDF document text
  • http://www.fuertebazar.com/wp-content/uploads/2022/07/Snowglobe.pdfIn PDF document text
  • https://www.voyavel.it/meecheenme-keygenerator-torrent-free/In PDF document text
  • https://www.dyscalculianetwork.com/wp-content/uploads/2022/07/Labyrinth_of_Refrain_Coven_of_Dusk__Meels_Best_Earring.pdfIn PDF document text
  • https://ninja-hub.com/mavr3d-n���������-cheat-code-free-download-3264bit-2022/In PDF document text
  • https://65yee.com/wp-content/uploads/2022/07/Retro_Classix_SRD__Super_Real_Darwin_Crack_Patch__DownloIn PDF document text
  • https://intrendnews.com/paper-shakespeare-stick-julius-caesar-with-a-dagger-coach-free-for-home-windows-In PDF document text
  • https://studiolegalefiorucci.it/2022/07/19/rpg-maker-vx-ace-karugamo-contemporary-bgm-pack-01-crack-full-In PDF document text
  • https://www.dyscalculianetwork.com/wp-In PDF document text
  • http://findinform.com/differs/.loveletter/twfzdgvycybvzibqdxp6bguglsbcbgfjaybhbmqgv2hpdguglsa5odatwf/zg93bmxvywr8swm2tti5b2vuedhnvfkxt0rjeu1ezzjobng4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/nflthc/intamcy.bensonIn 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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