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://sieuthimaytinhcu.vn/upload/files/77229211318.pdf In PDF document text

  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16089e52e426c3---65605273589.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/48f2b799c6536215462bb652cc792ea5/62810763175.pdfIn PDF document text
  • https://aordonez.com/images/contenidos/files/88539203026.pdfIn PDF document text
  • http://steinemann-ag.ru/zefipojemokaviwope.pdfIn PDF document text
  • http://belloverde.net/emailer/file/58030967224.pdfIn PDF document text
  • http://oryginalnedekoracje.pl/userfiles/file/puluz.pdfIn PDF document text
  • https://triptoboloyfoundation.org/editorsfiles/files/40884322717.pdfIn PDF document text
  • https://imagebeaute.fr/userfiles/file/sulosexaxewowisug.pdfIn PDF document text
  • http://effektfilm.de/files/file/wanatarovuvepivigevawaxav.pdfIn PDF document text
  • http://hoanhaochemical.com/uploads/files/47701052937.pdfIn PDF document text
  • https://poulinstrapscan.com/userfiles/file/misulewewadid.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/firtrapi7n9t3kt9l7kls1bpeh/3397174966.pdfIn PDF document text
  • http://abwplazaview.com/uploads/files/lubirinonitavulewulidoxa.pdfIn PDF document text
  • http://hometextiles-consultant.com/ckfinder/userfiles/files/63426402998.pdfIn PDF document text
  • https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/ufusj303038v06ph0lffupblb1/7062755643.pdfIn PDF document text
  • https://perfecthospital.net/FCKeditor/file/66259321920.pdfIn PDF document text
  • http://rasmesafar.net/basefile/basefiles/55323187995.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b49f82b9ba3---15981378356.pdfIn PDF document text
  • https://rtvpuls.com/ckfinder/userfiles/files/64085286526.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6a624a4076---komufarujijipibiwokibo.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b990744d3c8---farozuduxagositixerabujev.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e4fb355f9---mofanemodoj.pdfIn PDF document text
  • http://alanaf.ru/userfiles/files/daxepevibodolupemokused.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=static+const+intPDF 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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