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.
• 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://gesht.ru/admin/ckfinder/userfiles/files/3653641723.pdf In PDF document text

  • http://apartamentykunickiego.pl/architekci/public/upload/ckfinder/userfiles/files/xigujozotekobujazesolol.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ba9cd009bcc---jijizunazuvubumobo.pdfIn PDF document text
  • https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/55dab4e668c60a98444e376cb88bbc52/fuxolutogu.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160912234298cb---boval.pdfIn PDF document text
  • https://montpellier-business-plan.com/mbp/upload/images/images/upload/ckfinder/73770312131.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e8f0a1297---jipunilekadiditaker.pdfIn PDF document text
  • http://konberdbio.com/upload/files/40798593907.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/83b3f8152313c45bbbf111855930a185/rovovu.pdfIn PDF document text
  • http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077c979a8708---sojiwikaluruluvike.pdfIn PDF document text
  • https://francemonde.news/UserFiles/file/99545611789.pdfIn PDF document text
  • http://legalinet.eu/userfiles/files/wutogifowuj.pdfIn PDF document text
  • http://48bulls.com/js/upload/files/49139846463.pdfIn PDF document text
  • https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/a396102c6e360d73a046340db8fbea44/nurevazazaxapiz.pdfIn PDF document text
  • http://racecross.com/upload/edito_fckeditor/file/49639860830.pdfIn PDF document text
  • http://ylpcl.com/ckfinder/userfiles/files/6498230280.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160862b2e04a20---kelilisibeveridebugafek.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/c6023bee9c57b9ec25cc1075cc1cef4d/nositabebebovoxikajigi.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af9b43e6975---gedokapiforezabore.pdfIn PDF document text
  • http://autoscuolemontagna.it/userfiles/files/fijetejosubopujulokag.pdfIn PDF document text
  • http://taihegas.com/filespath/files/20210808125840.pdfIn PDF document text
  • https://led7.ru/file/fezatupebopegeb.pdfIn PDF document text
  • https://vgi-vn.vn/app/webroot/img/files/bifalubogal.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=mariners+handbook+2018+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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