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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://chcial.ru/uplcv?utm_term=butterfly+life+cycle+worksheet+ks1 PDF link annotation

  • https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/f2ki9vl9ssmo8qbhmmnm9rb485/7029804896.pdfIn PDF document text
  • http://amdind.com/userfiles/file/vibuf.pdfIn PDF document text
  • http://cdmatik.com/uploads/file/rukaborevejapolomesuxufox.pdfIn PDF document text
  • http://palami.by/images/file/69808687157.pdfIn PDF document text
  • http://fotocaroli.it/userfiles/files/47829806647.pdfIn PDF document text
  • https://landbondcorten.com/attachment/file/1ede1e870bf8301d8fab316d67394955.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/89b7808762c18c38c3f6e79e039e49a3/20659325023.pdfIn PDF document text
  • https://golf-tout-terrain.com/publish/page/file/kojusam.pdfIn PDF document text
  • http://simonide.org/userfiles/file/79872736367.pdfIn PDF document text
  • http://szpital-sulecin.pl/images/fckfiles/file/34284006605.pdfIn PDF document text
  • https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/53a62682cb2046a3c8432c7f8ef3c4c8/53500868777.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/160763df227cb0---kogozibi.pdfIn PDF document text
  • http://techscreening.com/userfiles/files/juxufaluxakifopi.pdfIn PDF document text
  • https://cowichanmusicfestival.com/userfiles/file/zetalu.pdfIn PDF document text
  • http://broadgatecapital.com/userfiles/file/woxexawupipitolupibed.pdfIn PDF document text
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b4182154f6a---zawutabipovirizazaliledo.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/wujituvidotel.pdfIn PDF document text
  • http://studiotecnicodavico.eu/userfiles/files/53435339651.pdfIn PDF document text
  • https://volgogradexpo.ru/ckfinder/userfiles/files/58818573316.pdfIn PDF document text
  • https://rodolphe-blanchet.fr/Rodolphe/fckeditor/file/8359905011.pdfIn PDF document text
  • https://www.helmmsp.ca/wp-content/plugins/super-forms/uploads/php/files/b1cd68d55806a4fa9b11cf6524b99c82/95498480127.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b1865d4fd40---9672920773.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/160702d84ad60a---molowarixidokowanovubezok.pdfIn PDF document text
  • http://shinyoungvalve.com/userData/board/file/22887434384.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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