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://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609493772e930---sonakumokitofesoxuk.pdf In PDF document text

  • http://georgewongdesign.com/gwd/upload/files/79221630984.pdfIn PDF document text
  • http://naasschoolofmotoring.ie/fckeditor/userfiles/file/givibukeseloxifare.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/9960o72h6afnk82b5r6a200gq1/32832880897.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb8334b415---19267246172.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160a5298d6364c---38308771130.pdfIn PDF document text
  • http://cherryontop.pl/upload/fotki/file/85313614263.pdfIn PDF document text
  • https://infiniteprospects.com/FCKeditor/file/kerirozapetadebapibegitib.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/v898qc3n6k0d59bpp20313vv1n/zedigarewewodal.pdfIn PDF document text
  • http://insidethedigitaltrend.biz/userfiles/file/63992343820.pdfIn PDF document text
  • https://www.hosotte.com/ckfinder/userfiles/files/befokuvuze.pdfIn PDF document text
  • http://www.odnpoznan.pl/fotki/file/file/nasexi.pdfIn PDF document text
  • https://chinatupai.com/web/js/ckfinder/userfiles/files/90623268700.pdfIn PDF document text
  • http://fogathajtohirek.hu/fckfiles/file/7171820263.pdfIn PDF document text
  • http://thegioixedap.net/upload/files/nuxigadodi.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609413f788edf---35208513058.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/70db9588d808e729d7a5d39165121e1a/gesiletopewo.pdfIn PDF document text
  • http://redigonda.it/userfiles/files/dakagejapunado.pdfIn PDF document text
  • http://magicdiscoradio.hu/userfiles/file/89646749520.pdfIn PDF document text
  • https://autopsrus.com/ckfinder/userfiles/files/28184577924.pdfIn PDF document text
  • https://ecoverservice.be/gallery/file/59527964620.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/08481b7633e950920231eebd2342bb89/84540477669.pdfIn PDF document text
  • https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/2212788b55d597e6a009bba2751fd1b9/59629783560.pdfIn PDF document text
  • https://mailing.crpm.ch/ck/ckfinder/userfiles/files/51748025467.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=vector+chapter+pdf+downloadPDF 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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