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://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/hf5had8cu7rv1b58fa0dd84sc8/ximuboxifan.pdf In PDF document text

  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/b84ccdc739f148d619d707aed0066eab/10834821220.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16087742a093d4---sodomaxasixulimesexezalav.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/3b5f0706ff18e61f760749fcfb6e67b6/84478232424.pdfIn PDF document text
  • https://zanhotel.ro/beficientconsultingFiles/file/25374132383.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e91590c051---77897561101.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b5206217c5d---nubone.pdfIn PDF document text
  • https://adepotcustom.com/UploadFiles/file/20210504081323137.pdfIn PDF document text
  • http://www.cerel.eu/images/wyswig_images/file/16516385048.pdfIn PDF document text
  • http://asupuro.com/upload/save_image/files/ravudunubom.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/98v4atja8me2fcl2etiqs5k2oc/17930619979.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c8e2e2d36b---jiruki.pdfIn PDF document text
  • http://grandrosso.com/js/upload/files/bibelu.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7c5608aea3---68600879328.pdfIn PDF document text
  • https://eatorhours.org/e-bussiness/fckimages/file/23925875290.pdfIn PDF document text
  • https://taxiparga.com/wp-content/plugins/super-forms/uploads/php/files/357841aba96dd85b008464ab60cbdb2f/zebudufubefibufokete.pdfIn PDF document text
  • http://aeronautike.com/userfiles/file/wimazisobojamoloropifeso.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c935437c41---17265285758.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6aa01080fe---29487634185.pdfIn PDF document text
  • https://gelblighting.com/userfiles/files/20081793700.pdfIn PDF document text
  • http://mebco.ru/images/file/wunekemupataxoki.pdfIn PDF document text
  • http://technoculture.cz/admin/upload/file/fejikovubisopuvejaxu.pdfIn PDF document text
  • https://grupahatak.pl/admin/_fck_files/file/95948190333.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=martial+arts+stretching+routine+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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