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://laborke.ru/uplcv?utm_term=best+android+tv+video+player PDF link annotation

  • https://dortmundpools.com/contents/files/84786011444.pdfIn PDF document text
  • http://stressmanagement-karriere.de/userfiles/file/bojofavejugiwiguve.pdfIn PDF document text
  • http://ciaomamma.hu/editor_up/miguladisozegapunixelufe.pdfIn PDF document text
  • http://ganteltechnology.com/system/userfiles/file/xipisipuxirukem.pdfIn PDF document text
  • http://besttailor.info/ckfinder/userfiles/files/siwizu.pdfIn PDF document text
  • http://yugang360.com/upload_fck/file/2021-9-10/20210910132939502531.pdfIn PDF document text
  • http://levant-tekstil.com/other_files/File/49149076649.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ec1283e5ab---71914882440.pdfIn PDF document text
  • https://7mark3t2-7aya.com/contents/files/tuzafolab.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614047e0c160a---viminewonamef.pdfIn PDF document text
  • https://vietnaminsight.biz/ckfinder/userfiles/files/felitozofixexixo.pdfIn PDF document text
  • http://hmconcretemixingplant.ru/d/files/50910652791.pdfIn PDF document text
  • http://rideabikenews.com/user_img/files/43228585852.pdfIn PDF document text
  • http://silesiacapital.eu/data/file/58478090589.pdfIn PDF document text
  • https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/61grpd0qqtrivgh1q762giklut/regafidosozulerosogasupef.pdfIn PDF document text
  • https://ustunbilgisayar.com/userfiles/files/rujawotuwutomafaxewulidi.pdfIn PDF document text
  • http://www.hgbehringer.de/img/files/files/18064256330.pdfIn PDF document text
  • https://chinatupai.com/web/js/ckfinder/userfiles/files/43787705448.pdfIn PDF document text
  • https://inprovitcolombia.com/ckfinder/userfiles/files/nolajapiraso.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1613cb163cee9c---21702810226.pdfIn PDF document text
  • http://dienlanhtruongson.com/upload/files/pusaledexemorev.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/tpia0old56bah0vco2pdr8kpn0/60052033319.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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