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://blogbasters.com/caffiene/creuta.neurotic?ZG93bmxvYWR8NjhBT0ROamIzeDhNVFkxTmpnNU1qTTFNbng4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA?RXhhbQRXh=neuroses&squire=ripstop PDF link annotation

  • https://bustedrudder.com/advert/christmas-3d-gifts-crack-for-windows/In PDF document text
  • https://coi-csod.org/wp-content/uploads/2022/07/xylotaa.pdfIn PDF document text
  • http://yogaapaia.it/archives/33654In PDF document text
  • http://escortguate.com/secure-koalaterm-crack-for-windows/In PDF document text
  • https://www.careion.be/sites/default/files/webform/Road-and-Sky.pdfIn PDF document text
  • https://topnotchjobboard.com/system/files/webform/resume/jasmkaff956.pdfIn PDF document text
  • http://ubipharma.pt/?p=37597In PDF document text
  • https://boomerlife-icaniwillwatchme.com/wp-content/uploads/2022/07/Speech_Recorder.pdfIn PDF document text
  • https://touky.com/biblioteq-6-70-crack-activation-mac-win/In PDF document text
  • https://www.reperiohumancapital.com/system/files/webform/DeLogo.pdfIn PDF document text
  • https://www.aveke.fr/wp-content/uploads/2022/07/giralore.pdfIn PDF document text
  • https://kulturbon.de/wp-content/uploads/2022/07/prygeor.pdfIn PDF document text
  • https://www.town.lynnfield.ma.us/sites/g/files/vyhlif3391/f/uploads/field_use_regulations.pdfIn PDF document text
  • https://facethai.net/upload/files/2022/07/zoMASjvOZGMISuncmeOK_04_b4cf8e5541d192fc1b9e27e4dc42237f_file.pdfIn PDF document text
  • https://www.cbdxpress.de/wp-content/uploads/pagidar.pdfIn PDF document text
  • https://gardensland.com/wp-content/uploads/2022/07/Picture_Viewer.pdfIn PDF document text
  • https://www.cameraitacina.com/en/system/files/webform/feedback/marketdatadownloader.pdfIn PDF document text
  • http://blogbasters.com/caffiene/creuta.neurotic?zg93bmxvywr8njhbt0roamizedhnvfkxtmpnnu1qttfnbng4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda?rxhhbqrxh=neuroses&squire=ripstopIn PDF document text
  • https://emealjobs.nttdata.com/pt-pt/system/files/webform/daceng908.pdfIn PDF document text
  • https://sametiweepor.wixsite.com/esenmose/post/overdisk-10-4-1-crack-activation-code-with-keygen-free-download-latest-2022In PDF document text
  • https://nyc3.digitaloceanspaces.com/coutana-media/2022/07/otaydaw.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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