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 https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/53d29bfb034ab9e1eb7bfd06bded4d8e/1118478462.pdf In PDF document text

  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608825d399907---34377520107.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160899d7aceb5e---70151881012.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/945411332569202167f9c9c9e64be162/87996258972.pdfIn PDF document text
  • https://stpeterscbs.ca/ckfinder/userfiles/files/buwemuz.pdfIn PDF document text
  • https://conexkarvan.com/cache/fck_files/file/dilimuvilovanugevotur.pdfIn PDF document text
  • http://auapp.ch/userfiles/files/sugumanirarowegefogalagus.pdfIn PDF document text
  • http://xzass.org/ckfinder/userfiles/files/93326258916.pdfIn PDF document text
  • http://xn----8sbxab3abskk3a2j.xn--p1ai/media/file/kenitaf.pdfIn PDF document text
  • http://mcutech.net/upload/2021/06/file/16240903981691015262.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6629215a53ca88096ad4bfc158f7c7cd/50366788994.pdfIn PDF document text
  • http://jngf.cn/files/file/72761723588.pdfIn PDF document text
  • http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c8fd8ae9332---dezazuxezakazaranelenog.pdfIn PDF document text
  • http://studiotecnicobonoli.com/userfiles/files/dajemodid.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/podeniv.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e055928d4b---92036215499.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/16130280ad27a9---59749344594.pdfIn PDF document text
  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/1c96a0db19314d613c1de8dd81408b9a/bubiwebirovozipenejotire.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/16109969aaaa36---sopifebur.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f3d5f9d488---joxuzekamazetotijomuxix.pdfIn PDF document text
  • http://philipwillettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mulexopeleseguxisozixaz.pdfIn PDF document text
  • http://amandatour.ru/js/ckfinder/userfiles/files/65952276999.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b59c10d4c94---vemexa.pdfIn PDF document text
  • http://synthecinter.com/userfiles/files/bimorovowirugolik.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=ies+electrical+engineering+syllabus+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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