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://drafthe.ru/uplcv?utm_term=how+to+recover+mobile+messages PDF link annotation

  • http://studiodabo.eu/userfiles/files/2082107187.pdfIn PDF document text
  • http://aaaexpressheating.com/userfiles/file/wijeko.pdfIn PDF document text
  • http://sung1.com/upload/files/95343172580.pdfIn PDF document text
  • http://ephtour.com/FileData/ckfinder/files/20210908_B7874EFDF68D1AAE.pdfIn PDF document text
  • http://foto-preiss.at/upload_files/files/65897185641.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/5e9d0adfb85c343fe5c675c56c6f0938/91313265529.pdfIn PDF document text
  • https://mannerfeltdesignteam.se/ckfinder/userfiles/files/xakowaj.pdfIn PDF document text
  • http://www.mezmat.ru/ckfinder/userfiles/files/vamaxepib.pdfIn PDF document text
  • https://lompatjauh.com/contents/files/xugusebugefuvajax.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/30997905355.pdfIn PDF document text
  • http://residenceraffaellotorino.com/userfiles/files/6717330723.pdfIn PDF document text
  • http://nikolalepojevic5.com/multimedia/file/jutosixokumefej.pdfIn PDF document text
  • http://chanhungcorp.com/images/uploads/files/6927453945.pdfIn PDF document text
  • http://blfimmobiliare.com/userfiles/files/19270461206.pdfIn PDF document text
  • https://globalcareerclub.com/FCKeditor/userfiles/file/latetu.pdfIn PDF document text
  • http://www.salpasafarit.fi/tiedostot/files/66740958644.pdfIn PDF document text
  • https://repairbase.net/FCKeditor/editor/filemanager/connectors/php/images/file/dikasezironubo.pdfIn PDF document text
  • http://xn--365-pn7mwb654m2qn.com/ckupload/files/xuvaxagemenego.pdfIn PDF document text
  • http://heaig.org/editor/ckfinder/userfiles/files/34753449319.pdfIn PDF document text
  • http://mebelhotel.ru/userfiles/files/91531561646.pdfIn PDF document text
  • https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/ggcona6m885ijfmeei5gve7he7/tixenomevekogetitif.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/u761l4cdao5fseiotkqimpf4b0/nidejajetezewuzomujav.pdfIn PDF document text
  • http://autobedrijvenindex.nl/images/uploads/worelawixat.pdfIn PDF document text
  • https://chatsystem.site/js/ckfinder/userfiles/files/lixesenijenoritudub.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/5f291039b8c3a6178f7a7c2bb944196c/nuwejum.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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