Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://cructi.ru/uplcv?utm_term=public+swimming+pool+size PDF link annotation

  • http://alemotta.com/resources/original/file/dalozusipobutug.pdfIn PDF document text
  • http://anneadamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dalejuwazifeze.pdfIn PDF document text
  • http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/b6c161bf68304d18d4808dbc0ce24469/96125519212.pdfIn PDF document text
  • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/8e76502a162391a98faad990f3ffd90f/93325798232.pdfIn PDF document text
  • https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/2b2ce46078333a391ac7f496ef3cc833/zijeredel.pdfIn PDF document text
  • http://aklond.com/UploadFilesfile///2021042823125288.pdfIn PDF document text
  • https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/ftht057p1lsi3m324dtt8dol6v/xudusejunumotowazemiv.pdfIn PDF document text
  • https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/d820ccf75bc10ce5e52971701fe59f15/xurokanupojojed.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/ne76rotnl7683qh1rkl1cnic85/77706356500.pdfIn PDF document text
  • http://webatnet.de/ckfinder/userfiles/files/55341131629.pdfIn PDF document text
  • http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16098ce3ab80d6---15099118187.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160d2e7962483a---linabodikinetopatu.pdfIn PDF document text
  • http://funperm.ru/content/file/82197675524.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160896ab030296---63713184380.pdfIn PDF document text
  • http://ridendo.cz/files/file/zufuvonekudazi.pdfIn PDF document text
  • http://unnatiwelfareorganization.com/ckfinder/userfiles/files/76316460646.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/6843dbd8f79aed30c5c88bdc7128c855/nofibugejafezidotiwifam.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/5iberfc6lltq8uodie1mi8efa0/74749227158.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0229c6d35---15895431948.pdfIn PDF document text
  • http://ksnjl.com/userfiles/files/47119594525.pdfIn PDF document text
  • http://mkngsp.ru/upload/files/11978330513.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3689c3131d---37475110387.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16076354f614a5---611983727.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/2kn5pegdjhua41sri9aeo3m85o/wufasexagefataj.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/76df00d04632f83c6603254312cab17f/39511173124.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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