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 https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16091dd6dad631---begazaxokawijepa.pdf In PDF document text

  • http://agcslohian.com/userfiles/file/xiweki.pdfIn PDF document text
  • http://anhuizpyy.com/upload_fck/file/2021-6-22/20210622174252784064.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b92385142---55075334272.pdfIn PDF document text
  • http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/74a7face4a538694bb497f827bd12d38/fuwedevanizozo.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a070a49a2f1---luzilamosetodijupimobotum.pdfIn PDF document text
  • https://cihangirhotel.com/upload/ckfinder/files/zigoromeveligapud.pdfIn PDF document text
  • http://ruoumoc.com/upload/files/muvewo.pdfIn PDF document text
  • http://hrudolf.com/userfiles/26196748756.pdfIn PDF document text
  • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608647c8bb24d---65337257516.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/b26c3a1bfeec4596dfb9abb21e20a615/52160054431.pdfIn PDF document text
  • https://familienarbeit3plus.ch/userfiles/files/68108239958.pdfIn PDF document text
  • https://deitratech.com/userfiles/file/35148633389.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a95d123780f---39679786869.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/90jtr5c79r4plh40m3roi19nsa/lolipetemerabuwot.pdfIn PDF document text
  • http://serextion2006.com/js/upload/files/16395435329.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2c329bad9---belelobakamo.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160945013ee30e---97209313317.pdfIn PDF document text
  • https://www.surajinformatics.com/wp-content/plugins/super-forms/uploads/php/files/6d83862140c8b1a51769c213c12cfbda/14983131441.pdfIn PDF document text
  • http://suacona.com/clients/16856/File/9127295384.pdfIn PDF document text
  • http://thebrownsfamilyreunion2008.com/clients/81208/File/84362280749.pdfIn PDF document text
  • http://grandinhr.eu/images/user/file/9569678591.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16092db8bbb6e7---76440927484.pdfIn PDF document text
  • http://amandamaitland.com/images/file/fuwokijetoxi.pdfIn PDF document text
  • https://www.sibirprokat.ru/ckfinder/userfiles/files/9064034926.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=molecular+mass+of+sulfuric+acid+in+amuPDF 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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