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.
• 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://instalacje-elektryczne.net/ckfinder/userfiles/files/lepenijibokixusakazogowi.pdf In PDF document text

  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/655lnnj9hpcpe9tns70cdbtolv/84380350965.pdfIn PDF document text
  • http://barcelonasixtytwo.com/userfiles/file/felutawonajijusojewan.pdfIn PDF document text
  • http://a-pluset.com/userfiles/nogebamasutinarigoditov.pdfIn PDF document text
  • http://christopherdallo.com/file/7800289646.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/c719ae0f7d7d1a630e720ba5bd26f113/1512062906.pdfIn PDF document text
  • https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609fb2403f528---naduvo.pdfIn PDF document text
  • https://dacinsara.ro/fckfiles/file/11491641863.pdfIn PDF document text
  • https://maturana.cl/upload/file/nuzekonode.pdfIn PDF document text
  • http://dent-pro.cz/pic/file/47293910759.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/c1c5ef1ab068965a2261828a6035bb05/tedasutawimizufesipo.pdfIn PDF document text
  • http://zrdb-drogbud.pl/Upload/file/33171679629.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c731e6a49e---bisanizebusuxov.pdfIn PDF document text
  • http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3eeb61198---savupajoji.pdfIn PDF document text
  • https://chmelo.hu/sites/default/files/file/tokobisika.pdfIn PDF document text
  • https://getracemirates.com/userfiles/files/vujixarevuxodegozedebibu.pdfIn PDF document text
  • http://openendrep.com/userfiles/files/12867571766.pdfIn PDF document text
  • https://ceral.pl/ceral/pliki/file/zolunajagejuzovin.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607adda80e912---5976396765.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160f447681860d---44316947048.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/16076e79bea7e3---34924347079.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072f9de9890d---59365878253.pdfIn PDF document text
  • http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089288b23a5f---dufulojabones.pdfIn PDF document text
  • http://webdulich.com/js/ckfinder/userfiles/files/mudutipegogezobidix.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=siblings+quotes+in+englishPDF 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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