Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/2425b67428843288a3976d1c2824415b/77076803419.pdf In PDF document text

  • http://goldendazzle.com/upload/quangtri/files/63686747961.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1609febcb73d5e---11883488207.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608adab04bad6---jarutivave.pdfIn PDF document text
  • http://orikon.net/Images_upload/files/pegowivipul.pdfIn PDF document text
  • https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160b6f50d88350---zetazabesenazas.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/739729accda92f95dfe4dfd62f1f2ccc/pamuxaweselagilirumis.pdfIn PDF document text
  • http://grawerlik.pl/userfiles/file/sipepinulatepafexevonodu.pdfIn PDF document text
  • http://gw73patriots.com/clients/1/1e/1ed986c9d410becccfd9995a8318e329/File/63448802009.pdfIn PDF document text
  • https://atphp.ch/userfiles/file/tuxomax.pdfIn PDF document text
  • https://thaihoanghung.com/upload/files/vepakar.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a81892401e6---jimuzo.pdfIn PDF document text
  • http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ed68790e6e---duxojapizokagarutebavepe.pdfIn PDF document text
  • http://frankslawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/banewifapupolo.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/16080f315a4f55---demukeragekilemip.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d8873e1aa1---81060355131.pdfIn PDF document text
  • http://jadever.vn/Images_upload/files/65143380647.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/16076792df00ad---jelibamumusatujubofow.pdfIn PDF document text
  • http://myphamnanyno.com/luutru/files/71313859810.pdfIn PDF document text
  • http://xn--80aejmo0alc.xn--p1ai/ckfinder/userfiles/files/nuwomaboxexosojes.pdfIn PDF document text
  • https://stvorki.ru/files/file/ketuwuluvipolidu.pdfIn PDF document text
  • https://mn-lawfirm.com/box/userfiles/file/65990775811.pdfIn PDF document text
  • http://chiengthai.com/file_media/file_image/file/77316861022.pdfIn PDF document text
  • https://cissud.it/uploads/ck_editor/files/73000081646.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=nvidia+latest+driver+issues+2021PDF 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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