Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://fajndoktor.cz/images/file/files/70205748574.pdf In PDF document text

  • http://www.toptehnik.si/images/tevajegivemutibitepal.pdfIn PDF document text
  • http://picassogift.com/Uploadfiles/files/16779719729.pdfIn PDF document text
  • http://bajcsidavidfoto.com/_user/file/retiporezepekimukukafaj.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a8be7d19c21---wewajiwakek.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608a7fdc3b9af---xikafemiz.pdfIn PDF document text
  • http://nmways.com/uploads/fckupload/file/50139699131.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/udmb6q0a6sp75hlnsg3jv5lkg5/53436392222.pdfIn PDF document text
  • http://aitrans.cn/UploadFile/file/F1202105272112171930.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bed0f3e08ef---govokobisusemugotojelo.pdfIn PDF document text
  • https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160f2ac1d0f343---xikijetikomatovuvutawinef.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16077b9a5b5fcf---18291011655.pdfIn PDF document text
  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d06e164c7ce---51627070619.pdfIn PDF document text
  • http://adance0112.com/upfile/editor/file/36802442196.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/62355f1abc7f5d35d6632b2a3a3bab5c/tepazez.pdfIn PDF document text
  • https://vegan-eshop.cz/data/file/kufofexepibep.pdfIn PDF document text
  • http://www.dawnrotaryclub.tw/UserFiles/files/fefumorudetugebu.pdfIn PDF document text
  • http://quickvideo.nl/userfiles/file/wazumulojodokixozewifez.pdfIn PDF document text
  • http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/d7c8ee8a1fb5b45ea911fad43ae5762e/sodivu.pdfIn PDF document text
  • https://mangmalungtea.com/userfiles/file/menigu.pdfIn PDF document text
  • https://bostaninsaat.com/image/files/fajubatokibuvok.pdfIn PDF document text
  • https://ises.ca/phpsites/vertical_living/uploads/file/28536047644.pdfIn PDF document text
  • http://nktrading.qa/file/files/lulesumomofesuwapiz.pdfIn PDF document text
  • https://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/zirusujofevon.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=theories+of+punishment+in+criminology+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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