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://synerhu.ru/uplcv?utm_term=download+davido+latest+song PDF link annotation

  • https://careerroots.net/ckfinder/userfiles/files/58933311305.pdfIn PDF document text
  • https://sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/88729550739.pdfIn PDF document text
  • http://wedooverseas.com/userfiles/file/zigupaso.pdfIn PDF document text
  • http://nemochem.cn/upload/files/fegiwemem.pdfIn PDF document text
  • http://woori-tour.kr/FileData/ckfinder/files/20210925_FFE44764D33AE586.pdfIn PDF document text
  • http://studiolorenzino.eu/userfiles/files/71415923663.pdfIn PDF document text
  • http://myxroad.net/upload/userfiles/file///bakevabuje.pdfIn PDF document text
  • http://phongkhamthienhoa.org/images/files/botajovibajevew.pdfIn PDF document text
  • http://mtjjt.com/2013/upload/article/files/210926204939215774k2h5v.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea3c7be6e6---tufigakebubisezenafub.pdfIn PDF document text
  • https://genia-groupe.fr/images/files/pejubulitojebusutuponub.pdfIn PDF document text
  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/d7df22b0baf5fb3d5eb8ab6e2303428c/7950392300.pdfIn PDF document text
  • https://ww150005.linebot.net/upfile/files/20210915235636.pdfIn PDF document text
  • https://apatity.verlauf-ekb.ru/admin/ckfinder/userfiles/files/pekupeleweguvomitet.pdfIn PDF document text
  • http://www.lircai.com/web/inline/file/xeguraguwak.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613380f4a0f7b---5800026053.pdfIn PDF document text
  • http://remont-etalon.ru/upload/files/8436616464.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16143bb07159d6---29836741155.pdfIn PDF document text
  • http://watthaistuttgart.de/userfiles/file/63049822248.pdfIn PDF document text
  • https://intrastorg.com/userfiles/file/xagesewaz.pdfIn PDF document text
  • http://motovelo-nmsk.ru/userfiles/file/46410727952.pdfIn PDF document text
  • http://sinsg.com/files/fckeditor/file/ziguke.pdfIn PDF document text
  • http://stomerijindex.nl/images/uploads/mawagawida.pdfIn PDF document text
  • http://eptesteplelek.com/uploads/file/xexekosodanipavadajof.pdfIn PDF document text
  • https://pirkitpadangas.lt/ckfinder/userfiles/files/wenajiviradexepaneporuju.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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