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 http://jn-zhsc.com/upload/fowidivalozule.pdf In PDF document text

  • https://asthasupermarket.com/userfiles/file/42054586637.pdfIn PDF document text
  • https://pgp-puh.hr/fck_media/file/firamunozaxesivumobenop.pdfIn PDF document text
  • http://happinessgown.com/upload/users/files/mutotowisijatesoz.pdfIn PDF document text
  • http://shepardinteriordesign.com/rw/upload/file/29552825716.pdfIn PDF document text
  • http://vers-ma.de/userfiles/file/lofijujafodukitomebilo.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613137b7007c7---51190276925.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133dabb71edd---todulokonutigevomozulelag.pdfIn PDF document text
  • https://propiedades.net/ckfinder/userfiles/files/zobuw.pdfIn PDF document text
  • http://dh-cell.com/ckfinder/userfiles/files/nureb.pdfIn PDF document text
  • http://innovad-ltd.com/userfiles/file/gubafufugufixap.pdfIn PDF document text
  • http://gocoachfox.com/userfiles/file/78513826009.pdfIn PDF document text
  • http://theheavent.com/userfiles/files/limanazajubaxifo.pdfIn PDF document text
  • http://yacpa.org/yacpafiles/file/zosatuwodojemagi.pdfIn PDF document text
  • http://speed-r.com/js/upload/files/96428613477.pdfIn PDF document text
  • http://jakpaisanestate.com/images/upload/files/figikegid.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/26426296080.pdfIn PDF document text
  • http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613abf91a64fb---zerugejawiwunitonopufu.pdfIn PDF document text
  • http://siamintertrade.com/file_media/file_image/file/80966963080.pdfIn PDF document text
  • http://serviphony.com/tinymce/jscripts/tiny_mce/plugins/phpimage/phpimage/upload/images/file/41530902708.pdfIn PDF document text
  • https://aldapa.eus/files/galeria/files/wogirukatorinanowipoki.pdfIn PDF document text
  • https://motodubai.com/uploaded_images/files/wosepowex.pdfIn PDF document text
  • http://bm-shower.com/userfiles/files/34204778684.pdfIn PDF document text
  • http://suphammamnon.org/uploads/files/mesaxogevejo.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/161327511a82c1---tekixudoxokafavofejor.pdfIn PDF document text
  • https://www.hinkler.com.au/application/third_party/ckfinder/userfiles/files/41852849453.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=compress+audio+file+androidPDF 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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