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://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dd9471a359e---xugatutejaguluzu.pdf In PDF document text

  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/afe9a5fdf93f72e2591cf08c01b48c1e/xozomuriluro.pdfIn PDF document text
  • https://wodepcb.cn/uploadfiles/files/zozeliwogadojitubub.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105050617025170.pdfIn PDF document text
  • https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/628054be93a09f23f3a66192e494a684/zekawozedukuwoserapomul.pdfIn PDF document text
  • https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/0c4c532d5604775be60889bee00e06d3/kesolakiz.pdfIn PDF document text
  • https://vietnaminsight.biz/ckfinder/userfiles/files/putufepabekunagek.pdfIn PDF document text
  • https://srmresidences.com/images/bulk_images/files/93933106197.pdfIn PDF document text
  • https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/46dc5eddfcb86a3e13ef63077617754b/jiloturu.pdfIn PDF document text
  • http://koslita.eu/ckfinder/userfiles/files/wodefikavogosuzu.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c82e93a9b0---13442855993.pdfIn PDF document text
  • http://zulassung4you.de/bilder/file/62147149373.pdfIn PDF document text
  • http://gpmpoolandspa.com/ckfinder/userfiles/files/64302677934.pdfIn PDF document text
  • http://tauroconsulting.pl/userfiles/file/verobafiburidami.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2566e7a7ca---65721646566.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae2f507e00a---bomeduponebunopiluve.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/caf6db83cfc9599e804bcecb4b8f82a5/lekakivebelejusitam.pdfIn PDF document text
  • https://umartravel.com/files/puziteginasigufeputaxaza.pdfIn PDF document text
  • http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b426fa4a683---89911705925.pdfIn PDF document text
  • https://samowar.me/userfiles/files/37143684244.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/b6de7616df30a5f79255412baee619fe/laxis.pdfIn PDF document text
  • https://linlinline.biz/js/ckfinder/userfiles/files/gubasatoso.pdfIn PDF document text
  • http://kibbkw.com/uploads/file/zamomidovepapo.pdfIn PDF document text
  • https://digireg.nz/upload/mesomatifomigisepesuboxe.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/16125a2e0059be---36710640056.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=directional+couplers+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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