Malicious PDF — malware analysis report

Heuristics 10

• 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 link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://starsearchtool.com/sanitise/ZG93bmxvYWR8azNnTVRJMlkzRjhmREUyTlRnd01EWTJPVGw4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk/disseminates/northfield.UGRmIFRvIFVyZHUgVGV4dCBDb252ZXJ0ZXIgRnJlZSBEb3dubG9hZAUGR?parameters PDF link annotation

  • https://www.cdnapolicity.it/wp-content/uploads/2022/07/Free_Unlock_Code_And_Activation_Code_For_Battle_Los_Angelesrar_PORTABLE.pdfIn PDF document text
  • http://www.studiofratini.com/janome-digitizer-pro-software-top-download-torrent-top-download-top-download/In PDF document text
  • http://googlepages.in/wp-content/uploads/2022/07/TRUSTED_Download_VERIFIED_Shakira_End_O.pdfIn PDF document text
  • http://yogaapaia.it/wp-content/uploads/2022/07/Fazer_Download_BEST_De_Hack_Para_Crossfire_Al.pdfIn PDF document text
  • https://foncab.org/wp-content/uploads/2022/07/World_Soccer_Winning_Eleven_8_International_SPAENG_DVD_Download_For_Computer_LINK-2.pdfIn PDF document text
  • https://bucatarim.com/dinamicadesistemasycontroleroninipdf63/In PDF document text
  • http://indiebonusstage.com/cakewalk-sonar-platinum-v23-6-0-24-upd-keygen-cracksnow-upd-keygen/In PDF document text
  • https://aarbee.se/wp-content/uploads/2022/07/reiervi.pdfIn PDF document text
  • http://villa-mette.com/?p=45033In PDF document text
  • http://www.ecomsrl.it/?p=40749In PDF document text
  • https://www.pinio.eu/wp-content/uploads//2022/07/proxyfire_master_suite_professional_125_new_keygen-4.pdfIn PDF document text
  • https://expressionpersonelle.com/pokemon-xd-der-dunkle-sturm-rom/In PDF document text
  • https://guc.lt/wp-content/uploads/2022/07/mantcame.pdfIn PDF document text
  • https://discountshoretours.com/wp-content/uploads/2022/07/CyberLink_Director_Suite_FULL_Crack_365_800.pdfIn PDF document text
  • https://bodhibliss.org/just-flight-traffic-360-torrent-download-high-quality/In PDF document text
  • https://canhotrongmo.com/download-terjemah-kitab-ianatut-thalibin-181-hot/In PDF document text
  • https://xenosystems.space/wp-content/uploads/2022/07/Accent_Zip_Password_Recovery_Serial_Number.pdfIn PDF document text
  • http://yogaapaia.it/archives/56964In PDF document text
  • http://executivenavi.com/wp-content/uploads/2022/07/Micromax_G3100_Gameplayer_Games_Free_Download.pdfIn PDF document text
  • https://melhoreslivros.online/dumo-2-6-1-40-incl-crack-portable-��-latest-download-2021/In PDF document text
  • https://www.cdnapolicity.it/wp-content/uploads/2022/07/Free_Unlock_Code_And_Activation_Code_ForIn PDF document text
  • http://www.studiofratini.com/janome-digitizer-pro-software-top-download-torrent-top-download-top-In PDF document text
  • http://yogaapaia.it/wp-In PDF document text
  • https://foncab.org/wp-content/uploads/2022/07/World_Soccer_Winning_Eleven_8_International_SPAEIn PDF document text
  • http://indiebonusstage.com/cakewalk-sonar-platinum-v23-6-0-24-upd-keygen-cracksnow-upd-In PDF document text
  • https://www.pinio.eu/wp-In PDF document text
  • https://discountshoretours.com/wp-In PDF document text
  • https://xenosystems.space/wp-In PDF document text
  • http://executivenavi.com/wp-In PDF document text
  • http://starsearchtool.com/sanitise/zg93bmxvywr8aznntvrjmlkzrjhmreuytlrnd01ewtjpvgw4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk/disseminates/northfield.ugrmifrvifvyzhugvgv4dcbdb252zxj0zxigrnjlzsbeb3dubg9hzaugr?parametersIn 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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