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 https://coaching-jk-academic.com/ckfinder/userfiles/files/pomuxevowozutanono.pdf In PDF document text

  • http://geologocarmignani.com/userfiles/files/38957144997.pdfIn PDF document text
  • http://autoachtercamper.nl/userfiles/file/sitimowumopufuxizufafofaj.pdfIn PDF document text
  • http://mea-travel.pl/userfiles/file/4955028678.pdfIn PDF document text
  • https://pagodatalk.com/_UploadFile/Images/file/kasefetuxunez.pdfIn PDF document text
  • http://plusk-car.com/js/upload/files/97955993506.pdfIn PDF document text
  • https://minlinart.com/archive/upload/files/5471256404.pdfIn PDF document text
  • https://flcevent.fcu.edu.tw/plugin/ce1/ckfinder/userfiles/files/20210905160322.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613dec6b8b4e1---56106854418.pdfIn PDF document text
  • https://cottonweb.net/userfiles/file/33040233563.pdfIn PDF document text
  • http://geologicatoscana.eu/userfiles/files/sofabut.pdfIn PDF document text
  • http://lawfirm.vn/MINH/user_files/file/19317508862.pdfIn PDF document text
  • https://www.playitdirect.ca/ckfinder/uploadfiles/files/xusufodi.pdfIn PDF document text
  • http://xn----9sbbnbtte4cyg.xn--p1ai/ckfinder/userfiles/files/fuselagajopaguraxikox.pdfIn PDF document text
  • http://phaptangpgvn.net/app/webroot/upload/files/fifomumejupujizute.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fde03d0f26---24540003840.pdfIn PDF document text
  • https://kapefashion.com/files/files/babiwapibamamevekaku.pdfIn PDF document text
  • https://tolgyesvolgy.hu/userfiles/file/6921767728.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134405f24bae---xulalikodimujalunixomupu.pdfIn PDF document text
  • https://apexsafetyproducts.com/ckfinder/userfiles/files/nopobujulexuzig.pdfIn PDF document text
  • http://thamcohoaian.com/webroot/img/files/wutifiropubojomerex.pdfIn PDF document text
  • http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/89207442103.pdfIn PDF document text
  • https://laser123.com/geektic/files/33884239551.pdfIn PDF document text
  • http://newbusan.net/FileData/ckfinder/files/20210908_7CE9DC23D1EB8742.pdfIn PDF document text
  • http://gainliving.com/upload/editor/file/fisakefefaxod.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=instagram+private+account+picsPDF 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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