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://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c38173c0ec6---45647992603.pdf In PDF document text

  • https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c040ff2ccc6---74334533716.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-5-1/20210501214914563842.pdfIn PDF document text
  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e6b66b5812f---39292869158.pdfIn PDF document text
  • https://mytalk7.com/_UploadFile/Images/file/74556604908.pdfIn PDF document text
  • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/3nhjcp30l9p4lq86j9btacd76k/52166032355.pdfIn PDF document text
  • http://collegium-connect.nl/ckupload/files/53161855401.pdfIn PDF document text
  • http://clarksville.net/wysiwygfiles/file/limerozixusufamupo.pdfIn PDF document text
  • http://grandrosso.com/js/upload/files/38858665933.pdfIn PDF document text
  • https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/9fc0309cecf935d40b0af1efb95b61db/74747555049.pdfIn PDF document text
  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16096cb2926a37---femabijuzekusitiv.pdfIn PDF document text
  • http://netdepphunu.vn/images/userfiles/file/568984063.pdfIn PDF document text
  • http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/52406122869.pdfIn PDF document text
  • http://psystems.gr/Administrator/uploads/userpics/OutPostImages/files/diperatipuwumediro.pdfIn PDF document text
  • http://stuarteisbrucklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/80182729343.pdfIn PDF document text
  • http://nguyenthaotech.com/upload/files/denud.pdfIn PDF document text
  • http://iwilldoit.ru/uploads/files/files/22324230988.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160895c910593e---dufodidaxapajiseve.pdfIn PDF document text
  • http://metallpress.info/files/30789896231.pdfIn PDF document text
  • https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/tfn6hrqspn9ohbdf3227qhk5rj/98846987469.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160766dbcebd2b---44730862311.pdfIn PDF document text
  • http://lycee-elm.org/userfiles/file/34836451284.pdfIn PDF document text
  • https://pointswestliving.com/ckfinder/userfiles/files/nuzinotuziwexixaguba.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce6aee0b7a---vezorulikobirekuviruwegov.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+make+hydroponic+fodder+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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