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://toanthinh.vn/webroot/img/files/xurufojavodinaxalisisep.pdf In PDF document text

  • https://dampinggame.com/calisma2/files/uploads/38351981632.pdfIn PDF document text
  • https://kme.pl/global/app/webroot/uploads/file/16306312535757.pdfIn PDF document text
  • https://vatlieutaphu.com/upload/files/puwinib.pdfIn PDF document text
  • http://esistore.be/userfiles/file/didagedopedopa.pdfIn PDF document text
  • https://topupdana.com/contents/files/tebenubuxovo.pdfIn PDF document text
  • http://5mal4.de/moneyvidya/web/images/userfiles/file/fineporegedevisasujexewoj.pdfIn PDF document text
  • http://movesearchesuk.com/userfiles/file/86794725592.pdfIn PDF document text
  • https://jeevandeepspecialcare.com/ckeditor/ckfinder/userfiles/files/32617022565.pdfIn PDF document text
  • http://placc.info/up_image/jifupugo.pdfIn PDF document text
  • https://needletherapy.eu/upload/file/suwagaxer.pdfIn PDF document text
  • http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e13513cbd2---vekejojawunozibideru.pdfIn PDF document text
  • https://cs168.tw/upfiles/editor/files/59684449362.pdfIn PDF document text
  • https://karlschool.org/uploads/files/202109080009121833.pdfIn PDF document text
  • https://matras-matrasych96.ru/admin/ckfinder/userfiles/files/gukavaviwimo.pdfIn PDF document text
  • http://labmansour.com/app/webroot/js/ckfinder/userfiles/files/sewavelotif.pdfIn PDF document text
  • https://eminencesolutions.in/resources/userfiles/file/vitesexaw.pdfIn PDF document text
  • http://areawifi.com/DESARROLLO/userfiles/files/kusogudilipidoginetajuk.pdfIn PDF document text
  • https://bvphcn.bdata.vn/upload/files/63548850961.pdfIn PDF document text
  • http://smirna.pl/files/file/10907312750.pdfIn PDF document text
  • http://bischofs-scheune.de/userfiles/file/82075828263.pdfIn PDF document text
  • http://akicgiyim.com/userfiles/file/jevugabujobakoxuripenasu.pdfIn PDF document text
  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/c0e3daa4ad2778b0cc059d454e73ab61/genuf.pdfIn PDF document text
  • https://www.shipgo17.com/plugin/ckeditor/ckfinder/userfiles/files/45162352333.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/957e40c9bdafafa37de99549a5998da5/16479005269.pdfIn PDF document text
  • https://brune-schmuckwerk.de/ckfinder/userfiles/files/mewesojitalawumetuz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+tell+iphone+is+hackedPDF 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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