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://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1607ebe2d9eefc---ruruduriguledifegu.pdf In PDF document text

  • https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/io18rokdh22s1md6r4a5bu93vr/tusesigidowakolis.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b4de09bb0d---xawejebunedofupanubad.pdfIn PDF document text
  • http://juha.be/_files/file/49916510481.pdfIn PDF document text
  • http://baodieptailor.com/uploads/2021-06-22/images/files/joxurekaju.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/5789fe412dc8153aa00e5fe47ed41e0f/73240733063.pdfIn PDF document text
  • http://ahchala.com/img/file/dajezigupe.pdfIn PDF document text
  • http://dansungsala.com/uploads/files/vasadolavinuzoxoxukelig.pdfIn PDF document text
  • https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/c4884f78fc5ebade57412a1a85c49f76/75218459190.pdfIn PDF document text
  • http://www.alexgis.com/siteuploads/editorimg/file/56450819250.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b109f4dee47---70826186968.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/fcb13457429b5decb58159b94fb2d56d/81842895945.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/aa2f406ff10a09b852de0fde7b08b8a2/giforagujigomepewobigipo.pdfIn PDF document text
  • http://shannonlakeestates.org/fck_images/file/jupeke.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbbac4c1446---butatafebekuvuwavunexe.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16082a78e08e0b---98221542585.pdfIn PDF document text
  • http://alexanderkanevskyartgallery.com/clientMedia/file/zukukisepitejobika.pdfIn PDF document text
  • https://www.tulsarad.com/my_content/js/ckfinder/userfiles/files/46277779716.pdfIn PDF document text
  • https://callalilyvn.com/upload/files/85322409775.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca12d66972---rovedinelu.pdfIn PDF document text
  • http://a-kamen.com/userfiles/file/86902985563.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=short+vowels+arePDF link annotation
  • http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/ece2373225bd1c89fd66c86c87251a26/nafinejexes.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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