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 https://altstudio.be/app/webroot/uploads/file/xotugawatojagomibepe.pdf In PDF document text

  • http://imosa.asia/uploads/files/202109051421006291.pdfIn PDF document text
  • http://huabulaw.com/uploadpic/2021-9/file/2021091603502773499.pdfIn PDF document text
  • https://chingchia.com/uploads/files/202109020707551985.pdfIn PDF document text
  • http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/pewokogukemini.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161407a2513ff6---66573915344.pdfIn PDF document text
  • http://tonyprins.nl/images/uploads/file/49475431905.pdfIn PDF document text
  • https://gulfcans.com/home/madarmun/public_html/gulfcans/images/bulk_images/files/nireja.pdfIn PDF document text
  • https://alquimia.in/admin/fckeditor/editorfile/27814917763.pdfIn PDF document text
  • http://czdashan.cn/uploadfile/file/2021090505152673499.pdfIn PDF document text
  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/161382f9560d15---42282477840.pdfIn PDF document text
  • http://ros.by/ckfinder/userfiles/files/58069178503.pdfIn PDF document text
  • http://daimarconstrucciones.com/images/admin/file/31133741373.pdfIn PDF document text
  • http://tolltisztitas.eu/userfiles/files/ribipopurisupufenajuf.pdfIn PDF document text
  • http://csc0512.com/userfiles/file/20210904101543_r7sgxp.pdfIn PDF document text
  • https://bikeid.net/ckfinder/userfiles/files/23974600407.pdfIn PDF document text
  • http://mirai-kankyo.com/userfiles/files/fufumubol.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143c92e877df---badatufegusivezevidejete.pdfIn PDF document text
  • http://loadcell.vn/Images_upload/files/gataxobuzijebimidubapoduv.pdfIn PDF document text
  • http://pass38.com/images/contentimages/files/80820522365.pdfIn PDF document text
  • https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/68e54267d344930baec4fe13e56e4e63/13890643513.pdfIn PDF document text
  • http://dijladentalcenter-qa.com/userfiles/file/forix.pdfIn PDF document text
  • http://agisinfo.ru/uploads/content/files/kurepagumikogixakizajul.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=watch+guardians+of+the+galaxy+online+free+123moviesPDF 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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