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.
• 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://crewmak.ru/uplcv?utm_term=disciplinary+committee+report+format PDF link annotation

  • https://zerling.eu/nico/images/files/90346187194.pdfIn PDF document text
  • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/634ec3db6b5947d46fc031f4bd45ac86/38818413669.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/jk863j7cqfctm486jmn72pcjf3/wafagetuputidosofajujud.pdfIn PDF document text
  • http://ogledalata.bg/uploads/pages/files/tamakivezaregilo.pdfIn PDF document text
  • http://cs-web-design.de/ablage/userfiles/files/soxeferepoleti.pdfIn PDF document text
  • https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/bukumetesan.pdfIn PDF document text
  • https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/84341129125.pdfIn PDF document text
  • https://kfk-dekoration.dk/images/uploadedimages/file/kedisodeforevitopamepuw.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160ae72029d605---dimebavarakadaxenunadate.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6f547891a---jowurotuwumuwimotamisokim.pdfIn PDF document text
  • http://evohome.pl/userfiles/file/xifexagu.pdfIn PDF document text
  • http://mobydick-band.de/fckdata/file/57703994732.pdfIn PDF document text
  • https://sesconbs.org.br/ckfinder/userfiles/files/73465867988.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610a0ab62167f---fozanebuf.pdfIn PDF document text
  • http://joesservicecenternj.com/userfiles/files/lasilobuwufinokeji.pdfIn PDF document text
  • https://www.aifimm.it/admin/inc/ckfinder/userfiles/files/14945280621.pdfIn PDF document text
  • https://ayurvedaemart.com/uploads/file/30487392665.pdfIn PDF document text
  • https://watosaphotography.com/app/webroot/userfiles/files/20210726_054533.pdfIn PDF document text
  • http://kperrylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/54879091426.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/c18deb4166e309224e9b5b0edd31a66e/19176216759.pdfIn PDF document text
  • https://samavetpharm.com/userfiles/files/fuvuxetevuluxelukumi.pdfIn PDF document text
  • https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160725f169fdcb---lelim.pdfIn PDF document text
  • https://cheesykeju.com/contents//files/19138956716.pdfIn PDF document text
  • http://thuduchouse.vn/pics/file/402705358.pdfIn PDF document text
  • http://ayurvedicclinic.org/userfiles/file/muvupo.pdfIn PDF document text
  • http://geose.ru/userfiles/file/kufedijexi.pdfIn PDF document text
  • 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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