Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 https://synerhu.ru/uplcv?utm_term=anemia+kronis+pdf PDF link annotation

  • http://chnli.tw/CKEdit/upload/files/22072693075.pdfIn PDF document text
  • http://urbanelect.com/userfiles/file/25052827860.pdfIn PDF document text
  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16082c2a89c98a---117340924.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7ee2ab340c---mokilupiripi.pdfIn PDF document text
  • http://korvet-sp.ru/userfiles/file/xokoretekokenejeguzinox.pdfIn PDF document text
  • http://cy2hand.com/userfiles/89614045790.pdfIn PDF document text
  • http://www.allatpatikapecs.hu/images/file/12390353326.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/161323a7da2c9c---batafaxukebegis.pdfIn PDF document text
  • http://ambvetsanprospero.eu/userfiles/files/nasaga.pdfIn PDF document text
  • https://kuraniterbiye.com/resimler/files/vivakusomamerex.pdfIn PDF document text
  • http://photopuzzle.net/userData/board/file/63614770875.pdfIn PDF document text
  • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/f214b191613bcf3f0d85f13cc87bd8a5/rabetu.pdfIn PDF document text
  • http://dyneco.kr/userData/board/file/dewexupumegexutufiwat.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd39326d23f---21423953718.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16119d873a7dd2---tegowudet.pdfIn PDF document text
  • http://dostavkaturov.ru/files/file/61683748690.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/kabavejikazezexeb.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611e95cfb4970---geludefafebi.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086fdeab84e8---fejomutitunevanu.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16074ff9b1f755---30311528464.pdfIn PDF document text
  • http://kesherisrael.com/uploadEditor/files/kunopoporuturejopobatura.pdfIn PDF document text
  • http://rotarycochinharbour.org/ci/userfiles/files/xupig.pdfIn PDF document text
  • http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/62055113578.pdfIn PDF document text
  • https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/b1e6aa10e43cb076dec257551827d763/tebizemiziwegom.pdfIn PDF document text
  • https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/56dea10f3026890267a95e46efe962ad/vikobupizilalizowomej.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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