Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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/?residence=ZG93bmxvYWR8OUVlWXpjMk5YeDhNVFkxTkRrNE9URTJNbng4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/dGhlIGNocm9uaWNsZXMgb2YgcmlkZGljayAyIGhkIHRvcnJlbnQdGh/cline/eckstein/fledge.embody=pastachotel PDF link annotation

  • https://vir-expo.com/wp-content/uploads/2022/06/zavoff.pdfIn PDF document text
  • https://umbo-avis.fr/wp-content/uploads/2022/06/audaces_vestuario_9_download_completo.pdfIn PDF document text
  • http://letuscook.it/wp-content/uploads/2022/06/Whmcs_License_Key_Generatorepub.pdfIn PDF document text
  • http://eroticorchid.com/?p=9397In PDF document text
  • http://pi-brands.com/wp-content/uploads/2022/06/blesvia.pdfIn PDF document text
  • https://www.eecoeats.com/wp-content/uploads/2022/06/Far_Cry_5_Gold_Edition_V1011_5_DLCs_FitGirl_Repack_Game_Hack.pdfIn PDF document text
  • https://www.herbariovaa.org/checklists/checklist.php?clid=44171In PDF document text
  • https://our-study.com/upload/files/2022/06/6Lpm8Ze8zImKResKKTa8_12_40abd24d475f03f19bc46c6e50652a93_file.pdfIn PDF document text
  • http://rastadream.com/?p=13348In PDF document text
  • https://www.asdnocincorsa.it/wp-content/uploads/2022/06/darifem.pdfIn PDF document text
  • http://uttaranchalcollege.com/wp-content/uploads/2022/06/Nth_Theme_Maker_Jar_240x320_Free_Download_NEW.pdfIn PDF document text
  • https://colored.club/upload/files/2022/06/9YWnALBhRr3DhcQpJvQb_12_b96328370fe361ffb3a986d32d45c52a_file.pdfIn PDF document text
  • https://atiqxshop.nl/wp-content/uploads/2022/06/beydavitefsiriindir.pdfIn PDF document text
  • https://alternantreprise.com/����������/yodot-hard-drive-recovery-keygen-torrent-new/In PDF document text
  • https://www.iltossicoindipendente.it/wp-content/uploads/2022/06/yanaqua.pdfIn PDF document text
  • http://trzyosly.pl/wp-content/uploads/2022/06/vermark.pdfIn PDF document text
  • https://www.kazitlearn.kz/wp-content/uploads/2022/06/ample_sound_agm_keygen_crack.pdfIn PDF document text
  • https://www.inscriu.ro/wp-content/uploads/2022/06/nisswini.pdfIn PDF document text
  • https://mugnii.com/wp-content/uploads/2022/06/Dan_Hartman_Torrent_Discography.pdfIn PDF document text
  • https://www.zhijapan.com/wp-content/uploads/2022/06/Stranded_Deep_CDKey_Generator.pdfIn PDF document text
  • http://evacdir.com/?residence=zg93bmxvywr8ouvlwxpjmk5yedhnvfkxtkrrne9urtjnbng4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/dghlignocm9uawnszxmgb2ygcmlkzgljayayighkihrvcnjlbnqdgh/cline/eckstein/fledge.embody=pastachotelIn PDF document text
  • https://alternantreprise.com/фильм/yodot-hard-drive-recovery-keygen-torrent-new/In 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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