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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://thedirsite.com/ZG93bmxvYWR8S0MzTVdaelltOThmREUyTmpJMk9EQXpPVEI4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk/pipettes?aspirins=/RmFsbG91dCAzIFNQT0xTWkNaRU5JRSBETyBETEMgRG93bmxvYWRsRmF/crematory.uncanny&stamps=triumphs PDF link annotation

  • http://go-premiums.com/wp-content/uploads/2022/09/Centova_Cast_Nulled_3.pdfIn PDF document text
  • https://www.the-fox.it/2022/09/12/techsmith-camtasia-2018-0-3-build-3747-x64-keygen-exclusive/In PDF document text
  • https://ibipti.com/space-gass-12-commandments-__exclusive__-crack-zip/In PDF document text
  • https://maithai-massage.cz/wp-content/uploads/2022/09/king_kong_2005_blu_ray_torrent.pdfIn PDF document text
  • https://ourneta.com/wp-content/uploads/2022/09/Image_Rescue_5_Keygen_LINK_Torrent.pdfIn PDF document text
  • http://oneteamacademy.com/wp-content/uploads/2022/09/jazdor.pdfIn PDF document text
  • http://www.giffa.ru/who/easeus-partition-master-code/In PDF document text
  • http://pzn.by/?p=88392In PDF document text
  • http://adomemorial.com/2022/09/12/pixel-shader-40-graphic-windows-7-download-full/In PDF document text
  • https://abkoutlet.com/wp-content/uploads/2022/09/Machfive_3_Cracked_BETTER.pdfIn PDF document text
  • https://www.webcard.irish/wp-content/uploads/2022/09/ACA_Capture_Pro_604_Keygen_HOT.pdfIn PDF document text
  • http://www.theoldgeneralstorehwy27.com/chevolume-license-key-free-exclusive/In PDF document text
  • https://www.condommessage.com/wp-content/uploads/2022/09/bettho.pdfIn PDF document text
  • http://www.jobverliebt.de/wp-content/uploads/Fixed_Ics_Fusion_Final_Aroma_Zip.pdfIn PDF document text
  • https://tranddrive.com/wp-content/uploads/2022/09/bauddoa.pdfIn PDF document text
  • https://openaidmap.com/martin-koch-e-gitarrenbau-pdf-_hot_-download/In PDF document text
  • https://louistomlinsonfrance.com/wp-content/uploads/2022/09/GTp5100_ClockworkModTouch_Recovery_6012tar.pdfIn PDF document text
  • https://alfagomeopatia.ru/wp-content/uploads/descargar_metin2_urano_gratis.pdfIn PDF document text
  • https://movingbay.com/sony-ericsson-ck13i-flash-file-z-better/In PDF document text
  • https://expressionpersonelle.com/bluestacks-v0-6-2-0563a-portable-rar-full/In PDF document text
  • https://www.the-fox.it/2022/09/12/techsmith-In PDF document text
  • https://maithai-massage.cz/wp-In PDF document text
  • https://ourneta.com/wp-In PDF document text
  • http://adomemorial.com/2022/09/12/pixel-shader-40-graphic-windows-7-download-In PDF document text
  • https://www.webcard.irish/wp-In PDF document text
  • https://louistomlinsonfrance.com/wp-In PDF document text
  • http://go-premiums.com/wp-content/uploads/2022/09/centova_cast_nulled_3.pdfIn PDF document text
  • http://thedirsite.com/zg93bmxvywr8s0mztvdaelltothmreuytmpjmk9eqxppvei4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk/pipettes?aspirins=/rmfsbg91dcazifnqt0xtwknaru5jrsbetybetemgrg93bmxvywrsrmf/crematory.uncanny&stamps=triumphsIn 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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