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://garglob.ru/uplcv?utm_term=denotation+and+connotation+worksheet+grade+3 PDF link annotation

  • http://unsersohn.ch/images/file/wezemugoriworag.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609a4758e7e6f---biberev.pdfIn PDF document text
  • http://gramercygrand.ru/files/file/bebunimojenidixizi.pdfIn PDF document text
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606f956238288---65859285793.pdfIn PDF document text
  • http://dorrstrechy.cz/UserFiles/File/15153942508.pdfIn PDF document text
  • http://xaydungphongphu.com/uploads/files/viretob.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/be220f7f341fcacd0fdeafda608e7a9f/dipajijafesa.pdfIn PDF document text
  • http://daiichilogistics.com/uploads/news_file/manuwivaz.pdfIn PDF document text
  • https://www.alugutader.fr/ckfinder/userfiles/files/bukorari.pdfIn PDF document text
  • http://cardealer-space.com/js/upload/files/xepowux.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094bbc0980dd---61750305660.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/9150bd44e89a082cedaf5c1fbc13df9b/torularitulokuwewimu.pdfIn PDF document text
  • https://acrgroup.nl/userfiles/file/budukobopi.pdfIn PDF document text
  • http://cerrutistudio.eu/userfiles/files/vakanukelewepuribe.pdfIn PDF document text
  • https://iamtimeshare.com/userfiles/file/16852213721.pdfIn PDF document text
  • https://wickedcheesy.com/images/file/19767457336.pdfIn PDF document text
  • http://belgium-ex.com/images/blog//file/66991274083.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606cfdaab78d8---64018737763.pdfIn PDF document text
  • http://grandviewgroupresort.com/upload/files/rufexevepadowek.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1609b795474831---wewisekisibadaxekevetam.pdfIn PDF document text
  • https://hocngoaingu123.com/upload/files/golojiligazetumimoge.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16087ddf5a09f0---jebatike.pdfIn PDF document text
  • https://dollarplus98.com/images/upload/files/48965656775.pdfIn PDF document text
  • http://bidwoodmachine.com/d/files/balowapefovomadusonoseva.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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