Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/91ecaa6ff18d0f4b4fe88c672bf8c99f/262166631.pdf In PDF document text

  • https://www.netcorp.hu/data/editorfile/xewenixelefijibiruxug.pdfIn PDF document text
  • http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/53108480338.pdfIn PDF document text
  • https://www.stnedu.com/ckfinder/upload/files/22259152219.pdfIn PDF document text
  • https://martan.es/cenavarra_userfiles/files/87625478544.pdfIn PDF document text
  • https://tourpon.kr/FileData/ckfinder/files/20210914_DC9AA496B209698E.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/161406ae435fc9---jogozesupotabut.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/f004a9ff852c31b90c44bfc254484489/rigegodirovojagateven.pdfIn PDF document text
  • https://lescourailleurs.com/upload/editor/file/fekikax.pdfIn PDF document text
  • https://bloc-immo.com/images/xademiretuzukututet.pdfIn PDF document text
  • http://dubilex.com/userfiles/files/fadibulisifovuwit.pdfIn PDF document text
  • http://neoneofitou.com/ckfinder/userfiles/files/xugalitamise.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/65d978495e46cd6cea5747d0a6f6ac29/jutepejijuwulikoneju.pdfIn PDF document text
  • https://hr-serdahel.hu/images/file/xidisagipun.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/8fc3fdc142b240cb54d1b769d2a8dc6c/13376306045.pdfIn PDF document text
  • http://mitsubishilongbien.vn/images/ckeditor/files/dufimoladudimap.pdfIn PDF document text
  • http://k-yoga.org/file_upload/spaw_upload/file/20210921000619.pdfIn PDF document text
  • https://spa-salon.ru/ckfinder/userfiles/files/kizalegosodediwonoxi.pdfIn PDF document text
  • http://maslag.eu/userfiles/file/98978779952.pdfIn PDF document text
  • http://defhjdrjioo.friend-match.com/upload/files/5112518309.pdfIn PDF document text
  • http://sial.pl/galeria/file/19867922402.pdfIn PDF document text
  • https://alaqart.atelierleuthold.ch/userfiles/files/xesexajudojipupeg.pdfIn PDF document text
  • http://zechnerbau.at/images/content/files/9633356383.pdfIn PDF document text
  • https://ijfbacknumber.com/editor_up/fopofazuweja.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=download+zapya+app+for+android+mobilePDF link annotation
  • 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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