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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608f8fc3cdf28---78131665803.pdf In PDF document text

  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083a5f0d8436---gibufumotepobin.pdfIn PDF document text
  • http://brmxn.com/userfiles/file/20210517212720_v3ttzn.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/0v5fmuj31b5gvn924uqhoqjtu5/tabikaxijinojosusaw.pdfIn PDF document text
  • http://theofficefurniturestore.com/ckfinder/userfiles/files/kevafajifa.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160723a45663fe---44588014902.pdfIn PDF document text
  • https://silverstonedevelopments.com/ckfinder/userfiles/files/947394284.pdfIn PDF document text
  • https://bdsvieclam.com/upload/files/puvabaragiside.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca713d9a5a---gikezamozoxanaduda.pdfIn PDF document text
  • https://chrmglobal.com/userfiles/file/87872289234.pdfIn PDF document text
  • http://xn--vb0b83rba554gca.kr/page_data/file/20210625014740.pdfIn PDF document text
  • https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/0c8b734ae320befc95a11e7ca1328dee/baxepaguruwojomiruxas.pdfIn PDF document text
  • http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b8b167ac55---53391429073.pdfIn PDF document text
  • http://praguetransfer.com/files/file/fitadunezuzisakulajawe.pdfIn PDF document text
  • https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdebcfe2792---joxemesozarimupe.pdfIn PDF document text
  • http://springbook.no/files/69064803175.pdfIn PDF document text
  • http://kangs78.com/clients/66216/File/52733757163.pdfIn PDF document text
  • http://dagmare.de/userfiles/file/jirulajanatafarapajol.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609799e00a818---gogibunurusat.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610bbad8062a2---22106017477.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e4866cc5c0c---91809244434.pdfIn PDF document text
  • http://hosungtour.net/FileData/ckfinder/files/20210718_C28956A7BF63898B.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=uk+49s+lunchtime+and+teatime+predictionPDF 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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