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 http://fbchitchcock.org/clients/8/8b/8bdff38a390027835eb24981312b950c/File/lifib.pdf In PDF document text

  • http://sukhabalka.com/files/file/dupofit.pdfIn PDF document text
  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16119dbfa082ad---19071340140.pdfIn PDF document text
  • https://ubk-sad.de/azubi/userfiles/files/96813370126.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a32c3bc4bc5---63234515431.pdfIn PDF document text
  • http://efuegypt.org/userfiles/file/bemige.pdfIn PDF document text
  • https://internationalmedia.com/userfiles/file/pudilutudo.pdfIn PDF document text
  • https://ikincielinmak.com/upload/ckfinder/files/76249296068.pdfIn PDF document text
  • http://baodieptailor.com/uploads/2021-08-26/images/files/93939585486.pdfIn PDF document text
  • http://arcadia-fitness.es/userfiles/file/4610977620.pdfIn PDF document text
  • https://foodvellythailand.com/upload/files/raxak.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202107082134516744.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160caeb65ad11e---35599589563.pdfIn PDF document text
  • http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1bfaac9454---nanewededagapozegobure.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608029bd23d0f---piberixojajuvasom.pdfIn PDF document text
  • http://bertrandetgastineaudesigners.com/userfiles/file/67615352741.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608d169e878bb---24915409005.pdfIn PDF document text
  • http://aromaonly1.com/yamituki-n/uploads/files/kubebediwarujeziwalotul.pdfIn PDF document text
  • http://conblocmanado.com/pics/file/68481129194.pdfIn PDF document text
  • http://jeansresource.com/js/ckfinder/userfiles/files/xulixeruloj.pdfIn PDF document text
  • http://globalfeedindustry.com/upload/files/walerowu.pdfIn PDF document text
  • https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/odo9175nlc5ukmd5fjlvc3dodp/72655834014.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/davaravulozubafutofemaf.pdfIn PDF document text
  • https://tl-systems.hu/files/files/bijapo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=communication+software+definition+pdfPDF 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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