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://evacdir.com/accesories.illegal/laitance/anagen/protectionism/pathways/?ZG93bmxvYWR8U1UyTVhSNU1IeDhNVFkxTlRnME1qazRNWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA=V2luZG93cyBMb2FkZXIgMi4xLjMgQnkgREFaICggV0FUIEZpeCkucmFyV2l PDF link annotation

  • http://indiebonusstage.com/tamburin-1-lehrerhandbuch-pdf-do/In PDF document text
  • https://www.smallblackowned.com/wp-content/uploads/2022/06/Banket_U_Blitvi_Pdf_Download_LINK.pdfIn PDF document text
  • https://diligencer.com/wp-content/uploads/2022/06/Origin_10563_serial_key_Crack_With_Activation_Code_Free_Down.pdfIn PDF document text
  • http://www.sweethomeslondon.com/?p=16877In PDF document text
  • https://ofsnl.nl/wp-content/uploads/2022/06/Download_HP_LaserJet_1020_Printer_Driver.pdfIn PDF document text
  • https://botkyrkaboxning.se/wp-content/uploads/2022/06/Crack_FREE_Tpv_123_Hosteleria.pdfIn PDF document text
  • https://digitalmentors.pro/2022/06/21/dgs-ramsete-iii-v9-05/In PDF document text
  • https://www.nooganightlife.com/wp-content/uploads/2022/06/Be2works_Rizal.pdfIn PDF document text
  • https://fraenkische-rezepte.com/kurtlar-vadisi-filistin-1080p-indirl-__top__/In PDF document text
  • https://ebbsarrivals.com/2022/06/21/remouse-license-key-28-hot/In PDF document text
  • https://artienz.com/upload/files/2022/06/YBp9IsFuTIKh8WbyV7cv_21_bda0f72eecb0e33ea2cad096066815cc_file.pdfIn PDF document text
  • https://bluesteel.ie/2022/06/21/full-rcdcv31crack-2/In PDF document text
  • http://lovelymms.com/dc-unlocker-2-client-1-00-0975-crack-exe/In PDF document text
  • http://majedarjoke.com/2022/06/22/adobe-acrobat-pro-dc-v2018-009-20044-full-crack-full-cracksnow-download/In PDF document text
  • http://www.nextjowl.com/upload/files/2022/06/4DetiO8vX966wXboo4ML_21_bda0f72eecb0e33ea2cad096066815cc_file.pdfIn PDF document text
  • https://bascomania.com/wp-content/uploads/2022/06/3D_Home_Architect_60_Free_Download_VERIFIED.pdfIn PDF document text
  • http://indiebonusstage.com/wp-content/uploads/2022/06/Download_Adobe_Photoshop_Lightroom_Classic_CC_2019_v82110_Cr.pdfIn PDF document text
  • https://aboutdance.com.ua/advert/f-service-vst-16-plug-ins/In PDF document text
  • https://btimes.my/5813517-company-of-heroes-v2-700-2-42-via-fearless-cheat-engine-collector-artworkIn PDF document text
  • https://sfinancialsolutions.com/adobe-acrobat-xi-pro-mac/In PDF document text
  • http://indiebonusstage.com/wp-In PDF document text
  • http://evacdir.com/accesories.illegal/laitance/anagen/protectionism/pathways/?zg93bmxvywr8u1uytvhsnu1iedhnvfkxtlrnme1qazrnwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda=v2luzg93cybmb2fkzxigmi4xljmgqnkgrefaicggv0fuiezpeckucmfyv2lIn 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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