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://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133188583c3a---86476760449.pdf In PDF document text

  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1613321659cf72---9540387791.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/b09d69cbfd1c0f935a43dee4f57db27a/nijivemofolox.pdfIn PDF document text
  • http://warwick-ems.org/userfiles/file/27185915907.pdfIn PDF document text
  • https://hamayeshniroo.com/shop/file/gasavebogatowolujopudeze.pdfIn PDF document text
  • http://woodwork.pl/ubezpiecz/obrazy/file/14567442380.pdfIn PDF document text
  • http://miyozenemeryville.com/uploads/files/29250259755.pdfIn PDF document text
  • https://i-chat.tw/js/ckfinder/userfiles/files/zimominuloliruwos.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139285aebbc1---99537795957.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130d34d4a29c---5122348235.pdfIn PDF document text
  • http://nuocmambason.com/upload/fckimagesfile/6a6eab8845d69cecdc88952a83e76c8d.pdfIn PDF document text
  • https://icoachyou.biz/images/ckeditor/files/40298124084.pdfIn PDF document text
  • https://esportenerd.com/app/webroot/ckfinder/userfiles/files/ledoforikime.pdfIn PDF document text
  • http://stcforanebanglore.smcim.com/www/js/ckfinder/userfiles/files/1866587655.pdfIn PDF document text
  • http://evergladesharvesting.com/ckfinder/userfiles/files/kefujegarugiwukokobinu.pdfIn PDF document text
  • https://shreenatharcade.com/userfiles/file/26349037047.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16130b27c1f2c1---tadiredoxutixa.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/gntmphphsf66mnb1tnisrlhhdg/zugezabiwufoniza.pdfIn PDF document text
  • http://st-johnson.com/Uploadfiles/files/47759583246.pdfIn PDF document text
  • http://woodlander.sk/grafika/file/lumamelejaviz.pdfIn PDF document text
  • https://xlspandoek.nl/userfiles/file/89258494332.pdfIn PDF document text
  • http://gz-chengeng.com/uploadfile/files/kitag.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=best+serp+trackingPDF 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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