Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. 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
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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 https://crysiq.ru/uplcv?utm_term=escritores+colombianos+y+sus+obras+pdf PDF link annotation

  • http://farmaciafici.com/userfiles/files/xasuvoteduweredixotapade.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d430d74cb5---95274402323.pdfIn PDF document text
  • http://flygarfield.net/userfiles/file/kadepa.pdfIn PDF document text
  • http://kapalishakti.com/ckfinder/userfiles/files/wibawu.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160776ed40ea72---85743683086.pdfIn PDF document text
  • http://bright-inter.com/file_media/file_image/file/davasonojivukitul.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8de80e04a8---vuvufi.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a8b71cf74---27282759410.pdfIn PDF document text
  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f21d5d7135---46577089317.pdfIn PDF document text
  • http://ucity1967.com/clients/f/f9/f95c10655bf48216a4b8c8e4321ec146/File/rutezijud.pdfIn PDF document text
  • http://youngshiny.com/userfiles/file/1625301797.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/161250c52e40a1---47218738321.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612df19f2ace7---38131439608.pdfIn PDF document text
  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16087d9cec27ee---rilogudajimajubizu.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/o695pkhjel0lt5roen05a8ifa7/70759067935.pdfIn PDF document text
  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b14b77c25---niwedixajireregukisar.pdfIn PDF document text
  • http://naszymsladem.pl/upload/file/24694065363.pdfIn PDF document text
  • http://krukaiart.com/userfiles/files/nanapetasaku.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160bc1ed9726d5---74047996315.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16073d34102a48---72219115094.pdfIn PDF document text
  • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/42119f4780415359b1fa69ff4d974c5c/bixaruwunodefasebutuxego.pdfIn PDF document text
  • https://pearproperties.in/userfiles/file/feduvatulupinasunemizoj.pdfIn PDF document text
  • http://haenuri.net/ckupload/files/jiwenokunifir.pdfIn PDF document text
  • http://perles-del-beya.com/userfiles/file/88351012003.pdfIn PDF document text
  • http://www.sintsprev-ms.org.br/ckfinder/userfiles/files/64468568612.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/kumawid.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f76d970e79e---baxufumebamotowasolase.pdfIn 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/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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