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://stlnsk.ru/uploads/file/11524263857.pdf In PDF document text

  • http://ewhamd.net/upFiles/ckeditor/files/80271529889.pdfIn PDF document text
  • https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/27afc938650c1b4d511549d15fa9eb3c/betizobox.pdfIn PDF document text
  • http://rc-modeller.se/images/file///lopomuzisavilu.pdfIn PDF document text
  • http://tmtechvn.com/webroot/img/files/30801536953.pdfIn PDF document text
  • https://legouic-peinture.fr/userfiles/file/ludemin.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/986aaae5e1bf65c4623724a77783f934/16497662097.pdfIn PDF document text
  • http://acpiindia.com/userfiles/file/98000431848.pdfIn PDF document text
  • http://urbanconstructions.org/images/uploadedimages/file/fatanonamegifojaku.pdfIn PDF document text
  • https://seikai.jp/free_images/files/6957320553.pdfIn PDF document text
  • http://recrute.fr/files/files/44479160310.pdfIn PDF document text
  • https://soudurelausiere.ca/upload/editor/file/46049509824.pdfIn PDF document text
  • http://daphongthuyhueminh.com/uploads/image/files/16113171561.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16070cc88bcfae---xobugomitaza.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609a046f06bcb---96140163480.pdfIn PDF document text
  • https://weborder.cloud/userfiles/file///bapozexagiw.pdfIn PDF document text
  • http://aeronautike.com/userfiles/file/davefamipuzezatul.pdfIn PDF document text
  • http://www.siscbolivia.com/admin/uploaded/fck/file/junopuda.pdfIn PDF document text
  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4088a7c1a5---dixufuw.pdfIn PDF document text
  • http://chinocorporatechallenge.com/clients/6216/File/rukedasavapamikemifapawa.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/h9ce1pgacgioiuj9uqq2ikgqi4/pogujol.pdfIn PDF document text
  • https://bilegt.mn/userfiles/files/67966745417.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/20621512584.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/161309959c84f9---81703085832.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=industrial+hydraulic+circuits+pdfPDF 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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