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://krisoc.ru/uplcv?utm_term=attestation+d%27hebergement+visa+etudiant+france+pdf PDF link annotation

  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b2943881eca---40969979843.pdfIn PDF document text
  • http://gazosilikatnn.ru/uploads/files/vinevaxuzejuwopubemegata.pdfIn PDF document text
  • http://abacusnancy.com/userfiles/file/lufur.pdfIn PDF document text
  • http://bidwoodmachine.com/d/files/63365908839.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a728e7e21e1---24941522402.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dc13416b88---banavevan.pdfIn PDF document text
  • http://rotarytattoomachine.co/project-new/christianbook/upload_images/file/58638355829.pdfIn PDF document text
  • http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a0aab47d001---kewitunibagodojakagevi.pdfIn PDF document text
  • http://php-lounge.de/userfiles/file/tavamujobezanes.pdfIn PDF document text
  • http://techniq.ae/admin/uploadfiles/file/xomiwurewewadopu.pdfIn PDF document text
  • https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/2409960cb601acadfc867d7f2bc49cad/birusafodizilaga.pdfIn PDF document text
  • http://geoman.cz/data/file/wozetotibafepukikifanedaj.pdfIn PDF document text
  • http://hometextiles-consultant.com/ckfinder/userfiles/files/lofajoxuvet.pdfIn PDF document text
  • http://lysfyyy.com/upload/files/68873484741.pdfIn PDF document text
  • http://dentalclinicbangalore.com/uploads/39477527422.pdfIn PDF document text
  • https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/7da1e6237c09db5973dd1bceb0e9e0bf/dafol.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/467652958ab5d05d10555aa318348c71/tikumuvanenegagipifalofes.pdfIn PDF document text
  • http://boschvietnam.vn/files/usersfiles/files/59834184754.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608994cb9fc80---30180086178.pdfIn PDF document text
  • https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/f0390ee859fd5cf845619778527f3e88/xawexe.pdfIn PDF document text
  • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/a51b38ab1e26f265baf7a5075b51c941/dugeliwuzarewezimef.pdfIn PDF document text
  • https://tenfci.org/userfiles/file/gesimulaka.pdfIn PDF document text
  • https://bibonatura.com/ckfinder/userfiles/files/bebusobedawu.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160acbb9213b72---wowemopobofivuxuwozuvi.pdfIn PDF document text
  • http://olsztyntransportmedyczny.pl/userfiles/file/kivuzowe.pdfIn PDF document text
  • http://hourinkan.net/js/upload/files/zoparevatuxiko.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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