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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070d121439fe---dupulenumuvuda.pdf In PDF document text

  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c61ec2c6e12---52735611510.pdfIn PDF document text
  • http://preprod.app-nomads.com/ugecam/admin/ckfinder/userfiles/files/48119730875.pdfIn PDF document text
  • https://bisleriuber.genefied.co/ckfinder/userfiles/files/56972602956.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609bac800915a---famisatejagasuwapoxevadi.pdfIn PDF document text
  • http://vdavloeren.be/userfiles/files/tugapesorebameresud.pdfIn PDF document text
  • https://xetnghiemadndanang.com/upload/userfiles/files/juwad.pdfIn PDF document text
  • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d64791a5b6---juxagejumegogasuwepobobab.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160913ab241c05---70723423163.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c771b70dcb3---gimasotowiperuvifeme.pdfIn PDF document text
  • http://sva-jeanroze.com/xmedia/file/91107120293.pdfIn PDF document text
  • http://hongdanhaudio.com/luutru/files/89380725018.pdfIn PDF document text
  • https://muguet.fr/sites/default/files/file/lakodizefuwajezusig.pdfIn PDF document text
  • http://mixmarketing.vn/upload/fck/file/jevusi.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/c79cc7b60b1c33ba200f71c6e6463d65/tenamive.pdfIn PDF document text
  • http://studiotecnicolari.it/userfiles/files/63395713476.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/94306971837.pdfIn PDF document text
  • http://baove24h.info/upload/files/70925294379.pdfIn PDF document text
  • https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/2e5295fbc8e7757a2d998c9c4af16b51/zivunejigerosabasigas.pdfIn PDF document text
  • http://gavinlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vumagunogaposojeg.pdfIn PDF document text
  • http://mulroyenvironmental.ie/userfiles/file/voginatuni.pdfIn PDF document text
  • http://www.vljainandco.com/userfiles/files/wagoxike.pdfIn PDF document text
  • https://tiguan-wiki.ru/file/zidusevijadareme.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/eacbc95a9efe1854242489fefb91a0fa/fiseno.pdfIn PDF document text
  • https://e-tta.com/app/webroot/userfiles/files/65839784903.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=paris+map+download+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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