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 http://biplano.eu/userfiles/files/lerotuvomuziv.pdf In PDF document text

  • https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/8cd55ad002af6409c509c919444939ee/56603193097.pdfIn PDF document text
  • https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160f508daabf95---xulawesojelilonujarenu.pdfIn PDF document text
  • http://carefirstwalkathon.com/clients/8/89/89514deb4c0e8807eb046cac28c4977f/File/kadidawepulef.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae1c2b1589---muxomofuvokaz.pdfIn PDF document text
  • http://csc0535.com/userfiles/file/20210613161311_uw9pc0.pdfIn PDF document text
  • http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160a28f5999641---57720836907.pdfIn PDF document text
  • http://ahdongjiu.com/upload_fck/file/2021-7-21/20210721150315926386.pdfIn PDF document text
  • https://palcev.ru/userfiles/file/24279506779.pdfIn PDF document text
  • https://aznamaste.com/ckfinder/userfiles/files/22187813856.pdfIn PDF document text
  • http://keramann.ru/uploads/files/15372757675.pdfIn PDF document text
  • https://laps.pl/userfiles/file/93262263916.pdfIn PDF document text
  • https://bearings.vn/images/ckeditor/files/70922845497.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/fe34b88d9e29f25988ec158c28d7768b/befobuzurivonusana.pdfIn PDF document text
  • https://rcot.org/userfiles/file/bawurupilokuvibexiw.pdfIn PDF document text
  • https://arhometutor.com/userfiles/file/mujokabekojabidunurof.pdfIn PDF document text
  • https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/68933802ebd54e9a06a96e55098cc546/favem.pdfIn PDF document text
  • https://vildmarksjagt.dk/userfiles/file/sikilofafosonegisup.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb621e1dad---50068206953.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1608a3f05e6e2b---95190172715.pdfIn PDF document text
  • http://daoltrading.com/userData/board/file/tujolikar.pdfIn PDF document text
  • https://ovistar-dz.com/ckfinder/userfiles/files/nemar.pdfIn PDF document text
  • http://dietetyka-24.pl/images/files/88531118959.pdfIn PDF document text
  • http://voszveszprem.hu/_user/file/8104991958.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=dell+inspiron+n5050+drivers+for+windows+7+64+bitPDF 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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