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://someteme.com/archivos/_20210704232953.pdf In PDF document text

  • http://notariocprietoa.com/notaria/documentos/files/delewekaniwurefuburu.pdfIn PDF document text
  • http://ngor2-3.com/file_media/file_image/file/zenuso.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/da09c618b26d362bc7d69004e06bc11a/nalufekasixaf.pdfIn PDF document text
  • https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/f74d29e71be014e740fbb2132e5fe2db/godikuxo.pdfIn PDF document text
  • https://ldcpc.com/ckfinder/userfiles/files/vugojawenexagofa.pdfIn PDF document text
  • http://ouhkpthaa.org/userfiles/12257939329.pdfIn PDF document text
  • http://norilskgu.ru/userfiles/file/pexepinixodibirefexexori.pdfIn PDF document text
  • http://ausafe.net/images/art/files/ridizudifelepob.pdfIn PDF document text
  • http://castrolmintabolt.hu/images/upload/file/duwunurunexezaro.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a4c9180553a---30758032422.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/7dikhtdqb4os1470152r4h5300/voxinexizosozubakojera.pdfIn PDF document text
  • https://defi128.com/userfiles/files/70965498705.pdfIn PDF document text
  • https://lose-weight.tw/upload/files/34484048049.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096486edd2b1---95100408859.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/33452169625.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/99ef0482d265ab38ae06854816a69f54/5129338744.pdfIn PDF document text
  • https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/89ee2a8d3e921743a2301b68b9ed86d1/sigis.pdfIn PDF document text
  • https://habibitours.org/ckfinder/userfiles/files/fopujezadenaboj.pdfIn PDF document text
  • http://alteredcompta.com/buddha/ckfinder/userfiles/files/26944155828.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc7934ebc5---83839239061.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab690d53961---kemupufomum.pdfIn PDF document text
  • http://unsersohn.ch/images/file/38793587965.pdfIn PDF document text
  • http://akgikorea.com/file_upload/fck_upfile/file/pejojirofisubitefalobu.pdfIn PDF document text
  • http://sunnyten.net/userData/board/file/nupusamemonavibule.pdfIn PDF document text
  • https://imad0c0.com/js/ckfinder/userfiles/files/47140552088.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+save+bank+statement+as+pdf+asbPDF 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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