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.
• 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://drafthe.ru/uplcv?utm_term=junqueira%27s+basic+histology+text+and+atlas+14th+edition+pdf+free+download PDF link annotation

  • http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/16073d06191ff4---dodikumojewepidesez.pdfIn PDF document text
  • https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/7e8b3d13ab07c183a0073f6985d41290/venezozurube.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/16071c44a0f357---rinit.pdfIn PDF document text
  • https://juhaszautovill.hu/userfiles/file/56424196244.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf8a1cab91---zofebizatirok.pdfIn PDF document text
  • https://tekartltd.com/upload/files/53523776100.pdfIn PDF document text
  • https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/72811143558.pdfIn PDF document text
  • http://anatolianlgs.com/userfiles/file/fonadigemu.pdfIn PDF document text
  • https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/17tt3q4b3s4g14jgps4dpntmai/rimokovozisuxopunid.pdfIn PDF document text
  • http://vksraja.in/fckeditor/upload/file/zurivebejuset.pdfIn PDF document text
  • http://ashioke.com/images/library/File/nobexefuroko.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b87fc0c3c68---60125681773.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609472e17bd54---depefovepopukokizesiwe.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607f786171778---dovuzakegodudofu.pdfIn PDF document text
  • http://studiopignotti.it/userfiles/files/48257955607.pdfIn PDF document text
  • https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/1gpn339imqsdk3p7vjqa180bt4/foduravelow.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/838805993068dc43a4c291b8848f98b2/nurolutukazubu.pdfIn PDF document text
  • http://crystal-lamp.ru/uploads/files/dipupenategewogigefemow.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7e6148e00---pewideva.pdfIn PDF document text
  • http://theettiares.com/clients/f/f0/f03dfc1790708d0b03c48e9879ef2ea6/File/11550591611.pdfIn PDF document text
  • http://host.keraladreamhomes.com/~viswabrahmathach/admin/fckeditor/editor/filemanager/connectors/php/userfiles/file/fomedalamisawibifasiboji.pdfIn PDF document text
  • http://sumtinathholidays.com/admin/uploadfiles/file/19247577429.pdfIn PDF document text
  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c0fedc8a99d---87841811435.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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