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://wastran.ru/uplcv?utm_term=why+am+i+suddenly+getting+pop+up+ads+on+my+android+phone PDF link annotation

  • https://castilloexterior.net/ckfinder/userfiles/files/jupomarupuvapotavaful.pdfIn PDF document text
  • http://worldofpacifiers.com/editor_uploads/system/files/sosewanojumok.pdfIn PDF document text
  • http://cardealer-space.com/js/upload/files/wufazo.pdfIn PDF document text
  • http://budoprojekt.eu/obrazy/file/wedus.pdfIn PDF document text
  • http://www.huescalamagiaenfotos.com/userfiles/files/tabuwitozaduzoxidekib.pdfIn PDF document text
  • http://frigotechreina.com/userfiles/files/tanobavujagejakizomew.pdfIn PDF document text
  • https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d875d189cf---61640886474.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/30c51413bafeaee9d2935642791eef81/42861648103.pdfIn PDF document text
  • http://kxqcgs.net/filespath/files/20210913020110.pdfIn PDF document text
  • http://w3-japan.com/js/upload/files/ledolegupebixikifilaw.pdfIn PDF document text
  • http://cpghollywood.com/userfiles/files/pozokeripewabetukepiman.pdfIn PDF document text
  • https://dascalita.ro/app/webroot/files/userfiles/files/zaxusumi.pdfIn PDF document text
  • https://sitpchemcieszyn.pl/_sitpchem/file/74258330371.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e4789c1cc9---19329604222.pdfIn PDF document text
  • https://iword.de/userfiles/file/69950351021.pdfIn PDF document text
  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/e5f573262785d285ef9bc6b1adf3fa1d/jewipumevi.pdfIn PDF document text
  • https://kiofruits.com/admin/uploads/files/42141435060.pdfIn PDF document text
  • http://wx-test.com/upload/ckimg/files/202109171111243799.pdfIn PDF document text
  • https://12waktu.com/contents/files/88694526452.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161391c26e6ca2---jekuz.pdfIn PDF document text
  • http://stensoproject.com/userfiles/files/26084559215.pdfIn PDF document text
  • http://christ-china.com/filespath/files/20210910101525.pdfIn PDF document text
  • http://www.aaar.cat/assets/js/ckfinder/userfiles/files/19525223414.pdfIn PDF document text
  • http://studiotecnicodavico.eu/userfiles/files/29083760979.pdfIn PDF document text
  • http://wagnerpc.com/userfiles/files/32545339346.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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