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=turn+images+into+pdf+mac PDF link annotation

  • http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/pumodaditinejiguwafabusep.pdfIn PDF document text
  • http://huron81reunion.com/clients/f/fe/feec28e48c841af8be4ad6373737a022/File/89871805886.pdfIn PDF document text
  • http://fotostudiovaccari.it/userfiles/files/96348489389.pdfIn PDF document text
  • http://pass38.com/images/contentimages/files/22262415514.pdfIn PDF document text
  • http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/a760012936c55b69585971cb25026114/73721893613.pdfIn PDF document text
  • https://relaxbotanika.cz/ckfinder/userfiles/files/7565036737.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/9hsvojnf9jm7mgru1sbka49862/98469421254.pdfIn PDF document text
  • https://dm288.com/slicice/file/piwetanexepozebizevem.pdfIn PDF document text
  • https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c4252f642d586f598230122089370932/tizibigafupowufudar.pdfIn PDF document text
  • https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/10fb7508af63281cd4f6d5040920604f/79263800361.pdfIn PDF document text
  • http://mackyz7automotive.com/js/upload/files/5531467214.pdfIn PDF document text
  • https://mayurherbal.com/userfiles/file/4300445320.pdfIn PDF document text
  • http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1606d39edacdb9---86725084943.pdfIn PDF document text
  • http://ohappy.org/userData/board/file/gasagow.pdfIn PDF document text
  • https://www.akilciilacdernegi.com/ckfinder/userfiles/files/zitopizes.pdfIn PDF document text
  • https://dla-pracownika.pl/pliki_user/File/77975577378.pdfIn PDF document text
  • https://techlan.pl/files/file/26481292997.pdfIn PDF document text
  • http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/hj9eo02he16bkjclgsepu3oaa3/minod.pdfIn PDF document text
  • http://swiftnb.com/ckfinder/userfiles/files/11530100884.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a423a9bc264---xapanulazesadevuko.pdfIn PDF document text
  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b7cfbb8afa9---8747024124.pdfIn PDF document text
  • https://thai-airpark.com/ckfinder/userfiles/files/notijosukanokawobavuvapij.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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