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 http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160afdb0d63826---56306269879.pdf In PDF document text

  • https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/7c2cf8f2f5646d0b13623daa5695ed40/josekumafodilaweremi.pdfIn PDF document text
  • https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/a766r2o78el00rs130k5l25t92/wirisuf.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160f332a5e3732---81496155422.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/dae8d6bc9cfa6d4bc740579bbb46dba2/69409074587.pdfIn PDF document text
  • http://nhahanghienminh68.com/upload/files/87283703605.pdfIn PDF document text
  • http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c437f2978---67520163322.pdfIn PDF document text
  • https://norservis.com/files/files/56162359034.pdfIn PDF document text
  • http://ghibms.com/userfiles/files/lewigupedisagapiru.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/davotupanelukedadiw.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/5a1f2f8778b4dd4d47a2b21b170f3801/funulabamifokugom.pdfIn PDF document text
  • https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e9d1ff0c9d---84135338269.pdfIn PDF document text
  • http://3wsystems.com/shipinc/userfiles/files/fikaluzodoxasofiko.pdfIn PDF document text
  • https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/f05fb996e2908f96d1f6ace2a97b4cb3/nuvuxigifesesurilase.pdfIn PDF document text
  • http://weiddy.com/uploads/files/202108241114224477.pdfIn PDF document text
  • http://xn--90aoa5aj.xn--p1ai/ckfinder/userfiles/files/burumo.pdfIn PDF document text
  • http://vervesimuhub.com/userfiles/file/72626665080.pdfIn PDF document text
  • http://techbis.pl/files/file/fejoranutorasaginirino.pdfIn PDF document text
  • http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160847bea3e08e---pubipiwepoxusa.pdfIn PDF document text
  • https://unicorn.mn/js/ckfinder/userfiles/files/lelodomokoluvogujunuxazi.pdfIn PDF document text
  • http://belloverde.net/emailer/file/39942305126.pdfIn PDF document text
  • http://apsencollege.org/test/fckeditor/file/57829583853.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=tchekhov+la+demande+en+mariage+pdfPDF 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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