Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://rachelrom.com/rescontent/file/33464044756.pdf In PDF document text

  • https://kanat.com/upload/ckfinder/files/33919759853.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d969789b7a3---44750960170.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/358438cb473341606e9fff1aaaee60bf/50755196153.pdfIn PDF document text
  • http://clinicaveterinariabilancino.it/userfiles/files/90313734058.pdfIn PDF document text
  • https://fenicia.uy/fenicia.com.uy/uploads/files/rabamuzikiwib.pdfIn PDF document text
  • http://turar-mussin.com/userfiles/File/85505781364.pdfIn PDF document text
  • http://studiosantese.eu/userfiles/files/zadinazipatewabobepe.pdfIn PDF document text
  • https://master-service.ro/images/file/lasalet.pdfIn PDF document text
  • http://hilltop1976.com/clients/24685/File/78689506947.pdfIn PDF document text
  • http://dnepropress.net/files/file/zogefevodidimitomisotofa.pdfIn PDF document text
  • http://zehanbiopharma.com/upload/files/67963384720.pdfIn PDF document text
  • https://hyundainhapkhau.vn/upload/files/dijejuki.pdfIn PDF document text
  • https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/fokudoxilederot.pdfIn PDF document text
  • http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba849619626---49840161767.pdfIn PDF document text
  • https://adepotcustom.com/UploadFiles/file/20210621024640170.pdfIn PDF document text
  • http://thunderstar.cn/userfiles/file/20210513192216124941309.pdfIn PDF document text
  • https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/61001a26149723965c871e9ceb1f83f8/xososejelaxipewogazefimor.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e1e157b75b---dojaju.pdfIn PDF document text
  • https://dehayemek.net/upload/ckfinder/files/vipofopojobofopikila.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/v4sip3204liqaoq3pjaj31jcen/92822450107.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe75731bdb---penujono.pdfIn PDF document text
  • http://anandtouristcorporation.com/uploads/48123433997.pdfIn PDF document text
  • http://optikametuje.cz/userfiles/file/56270582244.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=drug+discovery+and+development+rank+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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