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://coretry.ru/uplcv?utm_term=all4+on+firestick PDF link annotation

  • https://activepymes.com/pub/file/jijijamibebojogulo.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/161356ade1d1fd---79556781268.pdfIn PDF document text
  • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/161318d1055610---toparirasasobiv.pdfIn PDF document text
  • https://oazapiekna.com/zdjecia/fck/file/27599930241.pdfIn PDF document text
  • http://bosch-elektronarzedzia.pl/catalog/file/41485821731.pdfIn PDF document text
  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/5717d7ccb1c5f63192792147589965ad/zuvobezanuzufasapa.pdfIn PDF document text
  • http://a-aqua.fr/ressource/site-image/files/22213643326.pdfIn PDF document text
  • http://tdjl.com/uploadfile/file///2021091708225199.pdfIn PDF document text
  • http://virtualcharityevents.com/vce_cake/files/files/segatulovimijofu.pdfIn PDF document text
  • http://lltsg.com/uploadfile/file///2021092523571225.pdfIn PDF document text
  • http://tzsunup.com/upload/30555157806.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-9-25/20210925105450951086.pdfIn PDF document text
  • https://skl.deindrukdemo.nl/upload/files/84933289989.pdfIn PDF document text
  • https://contabil-fiscal.ro/mm/file/vifotafuxilowolirubum.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/d4c8c61e009c088f0da874b845715286/kufugulifezuxafem.pdfIn PDF document text
  • http://tele-klass.ru/i/upload/files/49137031322.pdfIn PDF document text
  • http://wellogo.in/userfiles/file///xewutosiluxi.pdfIn PDF document text
  • https://ladachess.ru/userfiles/file/samupawarulodirotebo.pdfIn PDF document text
  • http://autosvanbeek.nl/mindcms/js/ckf/userfiles/files/71392241330.pdfIn PDF document text
  • http://sieuthibongda.net/ckfinder/userfiles/files/motudidimimutubiseg.pdfIn PDF document text
  • http://tvsatkrosno.pl/userfiles/file/lupebalesulizamaruzokoxog.pdfIn PDF document text
  • http://miyagi.chi-kara.net/Upload/files/30177403014.pdfIn PDF document text
  • http://egitara.com/upfiles/files/18946697762.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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