Malicious PDF — malware analysis report

Heuristics 9

• 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.
• PDF links to document on public blob storage high PDF_PUBLIC_BLOB_DOCUMENT_LINK
  PDF contains a clickable action to a document payload hosted on public blob/object storage. Shared object storage can be used legitimately, so this rule is suspicious rather than conclusive unless paired with lure text or other phishing indicators.
• 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://bestentrypoint.com/ercole/inventive/latigos.ltrs?../skagway/ZG93bmxvYWR8WnE3Y1hSdmFIeDhNVFkxT0RJeE9UUTNNM3g4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/prodigious/sandy.ZGlza2ludGVybmFscyByYWlkIHJlY292ZXJ5IDQwIGtleWdlbiBjcmFjawZGl PDF link annotation

  • https://www.the-fox.it/2022/07/28/akira-full-movie-hindi-720p-download-link/In PDF document text
  • https://sourceshop.org/driver-straightforward-professional-5-6-13-crack-verified-license-key-2020/In PDF document text
  • https://www.drbonesonline.com/2022/07/28/mu-soft-game-pack/In PDF document text
  • https://patmosrestoration.org/wp-content/uploads/2022/07/Dtshd_Master_Audio_Suite_26022_20_TOP.pdfIn PDF document text
  • https://dev.izyflex.com/advert/design-of-steel-structures-by-ls-negi-pdf-free-download-fix/In PDF document text
  • https://www.petisliberia.com/episodi-grachi-2-in-italiano-fixed/In PDF document text
  • https://lpkekselenpalembang.com/wp-content/uploads/2022/07/Miyawaki_Sakura_Photo_Book_11.pdfIn PDF document text
  • https://silkfromvietnam.com/bernabe-tierno-poderosa-mente-descargar-gratis/In PDF document text
  • https://besttoolguide.com/2022/07/28/install-crack-no-cd-les-sims-2-demeures-de-reves/In PDF document text
  • https://innovacioncosmetica.com/wp-content/uploads/2022/07/Kodak_Preps_840_Torrent.pdfIn PDF document text
  • https://www.luthierdirectory.co.uk/p3d-prepar3d-v3-4-22-19868-hotfix-free-download-extra-quality/In PDF document text
  • https://storage.googleapis.com/shamanic-bucket/15d25b9d-download_full_movie_yaariyan_in_720p_new.pdfIn PDF document text
  • https://libreriaguillermo.com/wp-content/uploads/2022/07/albikurs.pdfIn PDF document text
  • http://shoplidaire.fr/?p=171765In PDF document text
  • https://autocracymachinery.com/wp-content/uploads/2022/07/yamyemil-1.pdfIn PDF document text
  • https://yooyi.properties/wp-content/uploads/2022/07/darksiders_2_update_4_skidrow_crack_only.pdfIn PDF document text
  • https://www.sb20ireland.com/advert/telecharger-power-amc-15-1-avec-crack-fixed-gratuit/In PDF document text
  • https://bintimalu.com/wp-content/uploads/2022/07/comsol_multiphysics_43_crack_license_file_torrent.pdfIn PDF document text
  • http://yiyo.es/wp-content/uploads/2022/07/frangod.pdfIn PDF document text
  • https://eveningandmorningchildcareservices.com/wp-content/uploads/2022/07/Spirited_Away_Full_NEW_Movie_English_Dubbedbfdcm.pdfIn PDF document text
  • https://sourceshop.org/driver-straightforward-professional-5-6-13-crack-verified-In PDF document text
  • https://patmosrestoration.org/wp-In PDF document text
  • https://dev.izyflex.com/advert/design-of-steel-structures-by-ls-negi-pdf-free-In PDF document text
  • https://lpkekselenpalembang.com/wp-In PDF document text
  • https://besttoolguide.com/2022/07/28/install-crack-no-cd-les-sims-2-demeures-de-In PDF document text
  • https://innovacioncosmetica.com/wp-In PDF document text
  • https://www.luthierdirectory.co.uk/p3d-prepar3d-v3-4-22-19868-hotfix-free-In PDF document text
  • https://storage.googleapis.com/shamanic-bucket/15d25b9d-In PDF document text
  • https://yooyi.properties/wp-In PDF document text
  • https://www.sb20ireland.com/advert/telecharger-power-amc-15-1-avec-crack-In PDF document text
  • https://bintimalu.com/wp-In PDF document text
  • https://eveningandmorningchildcareservices.com/wp-content/uploads/2022/07/SIn PDF document text
  • http://bestentrypoint.com/ercole/inventive/latigos.ltrs?../skagway/zg93bmxvywr8wne3y1hsdmfiedhnvfkxt0rjee9uutnnm3g4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/prodigious/sandy.zglza2ludgvybmfscybyywlkihjly292zxj5idqwigtlewdlbibjcmfjawzglIn 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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