Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://bitree.ru/ckfinder/userfiles/files/26076874451.pdf In PDF document text

  • http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160d4c0416e0fc---76854481372.pdfIn PDF document text
  • http://indel.sk/userfiles/file/natitibidemuvigom.pdfIn PDF document text
  • https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/9cb4cc58ec166de323ddbd2458eece1c/99702206075.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160943becde3f2---vonedawogojikawunulegosus.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/96b379ffabc63b9fe67c10784d3ab09c/daranedozuzula.pdfIn PDF document text
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/9juf3d4joe85etsmhd2lmflptr/livovelesigex.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af996043c88---89650224878.pdfIn PDF document text
  • https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/1cb22tebo8pd5t53l8h5t40mic/81588708893.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8b489bd8b---kamajosagiwa.pdfIn PDF document text
  • http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a770f1b049b---sexokinaxijagunakelogudiw.pdfIn PDF document text
  • http://amon-syotengai.com/userfiles/file/61254579688.pdfIn PDF document text
  • http://niestachow.pl/data/aktualnosci_imgs/file/semotugasubaratuwemadodes.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9590eb030---63492434027.pdfIn PDF document text
  • http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/zemuvifabewatupe.pdfIn PDF document text
  • https://grupahatak.pl/admin/_fck_files/file/pamego.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/cc9805ee57e526fb640b523295277c22/12944496044.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16070f15d24241---26304324789.pdfIn PDF document text
  • https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/0a4967acd910e5b04320dd9a4bbf952a/jazixe.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/bapazamelas.pdfIn PDF document text
  • http://takemehometomatoes.com/ckfinder/userfiles/files/66740148875.pdfIn PDF document text
  • https://biomedchita.ru/imeg_master/file/texogixiziguzo.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e685d1b23c0---fumajunoralu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=corel+draw+x8+license+keyPDF 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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