Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://medvor.ru/uplcv?utm_term=a+quiet+place+part+3 PDF link annotation

  • https://gifarlcm.com/upfiles/editor/files/sukurikegisiduzuta.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/16140f9ca20dcf---44394823998.pdfIn PDF document text
  • https://biographiewerkstatt-singer.de/userfiles/file/lolasurekifonituropago.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b739bee359---zibigifabijoduligakalanij.pdfIn PDF document text
  • http://www.tokyomagic.jp/images/library/File/10657179188.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16143878b20a88---bopagujotedofebewe.pdfIn PDF document text
  • https://promaxsuspension.com/csmimage/file/78590813401.pdfIn PDF document text
  • http://pk.mo/userfiles/file/99205725291.pdfIn PDF document text
  • http://www.naturhalles.fr/fckeditor/userfiles/file/83273642734.pdfIn PDF document text
  • http://globalroomplus.com/bot/ckfinder/uf/files/47585685149.pdfIn PDF document text
  • https://greenlandpark.com/uploads/files/radiligomowifojutololuto.pdfIn PDF document text
  • https://ajwatravel.com/wheelmarine/userfiles/file/90174989264.pdfIn PDF document text
  • http://controlsystemco.com/cache/fck_files/file/76693718555.pdfIn PDF document text
  • http://mientrungland.net/uploads/image/files/25428983679.pdfIn PDF document text
  • http://cathyourhair.nl/js/ckfinder/userfiles/files/jolejefeloxe.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613edec339b1f---64227256517.pdfIn PDF document text
  • http://npk-bypassdrr2.com/file_media/file_image/file/tefoliporexexunodole.pdfIn PDF document text
  • https://www.potravinyav21.cz/ckfinder/userfiles/files/4608443035.pdfIn PDF document text
  • https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613566d92eccb---zivasudabevemixilaran.pdfIn PDF document text
  • https://inverpalmas.com/aym_image/files/78316497226.pdfIn PDF document text
  • https://h16hr15k-h19hr37urn.com/contents/files/55934071551.pdfIn PDF document text
  • http://aibasylhet.edu.bd/app/webroot/ckfinder/userfiles/files/29344650187.pdfIn PDF document text
  • https://vnjhanoi.com/upload/files/lijujemaluba.pdfIn PDF document text
  • http://bacsiha.com/public/ckfinder/userfiles/files/bilikixi.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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