Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/1c8h1kh0m4nc9hdmbet5okfjtp/34641732833.pdf In PDF document text

  • http://zonazero.es/userfiles/file/lodetimitodivox.pdfIn PDF document text
  • http://astorandblack.net/emailer/userfiles/file/64978419834.pdfIn PDF document text
  • http://archifolder.com/userfiles/files/jamem.pdfIn PDF document text
  • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/6829517e80d4a355b1c995704838a8a3/tesatojoj.pdfIn PDF document text
  • http://porpora.eu/imagenes/imagenes_contenidos///70793532586.pdfIn PDF document text
  • http://harryreichert.de/uploaded_pics/News/file/28881638961.pdfIn PDF document text
  • https://mb-classic-service.de/userfiles/file/38518520807.pdfIn PDF document text
  • http://bulmarconsult.com/files/14790458018.pdfIn PDF document text
  • http://thompsonhigh1980.com/clients/4/48/48b9e10b24f1ac3c627dfd5bb8c45987/File/54723206425.pdfIn PDF document text
  • http://zdrowejaja.com/Upload/file/5363361680.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098cc58cad3d---sujusonafapojasoxax.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fdfac93fb5---54204215238.pdfIn PDF document text
  • https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/2nkm8vcs9vvsusj0bl83ruc7hj/69427810174.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160978a1889d8e---87817799645.pdfIn PDF document text
  • http://strefa-fitness.pl//fckeditor/editor/filemanager/connectors/phpplikifile/xetixurefasexelu.pdfIn PDF document text
  • http://phuvuongcorp.com/luutru/files/jolurivubotawanexoweri.pdfIn PDF document text
  • https://cafemocion.com/userfiles/file/zuzemugopugo.pdfIn PDF document text
  • https://pointswestliving.com/ckfinder/userfiles/files/51563160571.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160834961e8f78---30327521587.pdfIn PDF document text
  • http://sns-russia.ru/userfiles/file/5123411721.pdfIn PDF document text
  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609f1a6b2a4af---1170486571.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=delusional+thoughts+of+grandeurPDF 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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