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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://infrive.ru/uplcv?utm_term=set+it+off+streaming+vf PDF link annotation

  • http://tao-ssct.org/data/upload/file/9481087521.pdfIn PDF document text
  • https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/825c403f4d331d1ec0b2f3b298cff2a1/vudosubixozekalegif.pdfIn PDF document text
  • http://slxiang.com/v15/Upload/file/2021932328374667.pdfIn PDF document text
  • http://hermanosgolbano.com/admin/fckeditor/editor/filemanager/connectors/phpfile/62937978972.pdfIn PDF document text
  • http://nwatchonline.net/userfiles/file/57755113406.pdfIn PDF document text
  • https://kcharp.com/ckfinder/userfiles/files/lavaxujaz.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/16133a899e9887---21756340040.pdfIn PDF document text
  • http://perfekt-dom.pl/designhome/admin/userfiles/file/mobeganexapokoxitujenos.pdfIn PDF document text
  • http://proclima-membranes.ru/userfiles/file/3148286329.pdfIn PDF document text
  • http://starma.pl/files/file/polidim.pdfIn PDF document text
  • http://dainichiji.com/upload_ckr/files/58339331763.pdfIn PDF document text
  • https://heritagecambodiatravel.com/userfiles/file/44805938444.pdfIn PDF document text
  • https://thebookonpersonaltransformation.com/FCKeditor/file/74311811517.pdfIn PDF document text
  • http://grandviewgroupresort.com/upload/files/99771671145.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16133b80f64819---77379998258.pdfIn PDF document text
  • http://a-mega.ua/images/uploads/file/terevezubapapuje.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/4t9it2njoljp1u3rv5snavg7e6/7038601870.pdfIn PDF document text
  • https://simorgh.it/uploads/file/58963588068.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/f1e2f6a45791432909bd5d5a6339fc24/38298729904.pdfIn PDF document text
  • https://mldom.xyz/web/img/podborky/files/30756803183.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/bm3jtai7g8jpv1lkprdddjvmf9/7195215075.pdfIn PDF document text
  • https://stallion-international.com/userfiles/file/60664462112.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8bf7f915b0ab6dd8e2ac0fcf98d5ef29/lovudubivafex.pdfIn PDF document text
  • https://samowar.me/upload/file/77797142548.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613853d54025c---10621562845.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/23934a81eb7404f52e4e029fe80415fb/bogig.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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