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://inwebjor.ru/uplcv?utm_term=dead+target+zombie+2 PDF link annotation

  • http://w-f-l.de/user_img/file/kabigixerigonuwebut.pdfIn PDF document text
  • https://hogies.com/includes/template/uploads/file/webibusotiva.pdfIn PDF document text
  • https://ikitellirezistans.com/upload/files/99981167129.pdfIn PDF document text
  • http://birnagarcollege.in/userfiles/file/vupaguliminuduxan.pdfIn PDF document text
  • http://architects-desk.com/uploadsfile/92701687709.pdfIn PDF document text
  • http://commune-bourre.com/userfiles/file/87059727481.pdfIn PDF document text
  • http://reicar.dk/userfiles/file/31262330723.pdfIn PDF document text
  • http://naphogacomposite.com/upload/files/libaniwewirebelejumatumi.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/16148e7926adff---74345961195.pdfIn PDF document text
  • https://luckysurface.itweald.com/uploads/files/613ffde69c326.pdfIn PDF document text
  • http://chalappuram.com/userfiles/file/buvivupu.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/4a43d8c55b9bca96f2f9d4f4cf35629e/batulatopur.pdfIn PDF document text
  • http://synfarm.com/upload/files/71020408161.pdfIn PDF document text
  • https://natatourism.com/userfiles/files/dutafujegezakurobefe.pdfIn PDF document text
  • http://seatraderhk.com/userfiles/80714498315.pdfIn PDF document text
  • http://all-vehicle.net/js/upload/files/kawunotezuxa.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/mhdmptaumegde89t52u0tjqsa7/padepanitidikudulibi.pdfIn PDF document text
  • http://www.lircai.com/web/inline/file/segigutizetomez.pdfIn PDF document text
  • http://word.mn/uploads/assets/zaforarapasepi.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/1451a92a59e146d9a9c3b4cdc3b9716c/39573045736.pdfIn PDF document text
  • https://arvikabc.com/images/uploadedimages/file/72541716812.pdfIn PDF document text
  • http://geo-equipe.it/userfiles/files/modafixuwoxabuxoxe.pdfIn PDF document text
  • http://delfosventures.net/userfiles/files/41908501043.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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