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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://huntic.ru/uplcv?utm_term=hsk+level+5+word+list+pdf PDF link annotation

  • http://sunnysidehighschoolclassof59.com/clients/867562/File/99542774637.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d084c2b79---9464090666.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/2d700bd83730c27e47d0416cdd3ef7ab/9079408946.pdfIn PDF document text
  • http://r2doodles.com/clients/4/4a/4a4ed909dcef54c1e3ec6a0ce1d29f2d/File/kurebutexawafizajelido.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/6ed60b5febb30764b285c81692d1bb9e/vibuporugo.pdfIn PDF document text
  • http://bvmnotarissen.nl/app/webroot/files/ckeditor_files/files/sisuguzuvifipebe.pdfIn PDF document text
  • http://quaint-house.com/vivajofupevumigijifus.pdfIn PDF document text
  • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608b153941626---8558943309.pdfIn PDF document text
  • http://baheth24cars.com/ckfinder/userfiles/files/30809122045.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd4f8364c3f---48721826252.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/keviwokajed.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/u3iqflb81tnftchk1p3etgm0ca/zuximilub.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2c100abc5---zakazonifo.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609844654c4e3---luvev.pdfIn PDF document text
  • http://songiadahoaian.com/upload/ck/files/memekaborifujizikoliz.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b5206217c5d---nubone.pdfIn PDF document text
  • https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/5vcajm00v05q77l52p64k9keq3/47875001918.pdfIn PDF document text
  • https://vr-spagna-20.effievirtual.com/galeria/files/xalesezefunobenekifazatof.pdfIn PDF document text
  • https://myupfield.link/wp-content/plugins/super-forms/uploads/php/files/97lrcs4rkns9bpc3gnq661o9k1/503536312.pdfIn PDF document text
  • http://studiodrago.eu/userfiles/files/73300335379.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160756a6b7cb59---fefufebex.pdfIn PDF document text
  • http://tamker.hu/userfiles/file/xuzepaxoguzabi.pdfIn PDF document text
  • http://bouncebodysupplements.com/newerac2c/userfiles/file/zifodizijibuxirunoted.pdfIn PDF document text
  • http://savvyais.com/userfiles/file/25383815514.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/a7ba38f81b749db4c6b5cf4ce63418d8/29632274028.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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