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://yk-tech.com.tw/ckfinder/uploads/ckfiles/files/928604366.pdf In PDF document text

  • http://signauction.net/userfiles/file/81858162139.pdfIn PDF document text
  • http://nwatchonline.com/userfiles/file/makoxowowiwepezo.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/48baaa69c3869db8db04c975f97d76aa/98356295767.pdfIn PDF document text
  • http://evolution-dev.com/file_media/file_image/file/40886129617.pdfIn PDF document text
  • https://mgs-on-track.com/uploads/misc/files/38928786433.pdfIn PDF document text
  • http://techbis.pl/files/file/zupogajofoponogo.pdfIn PDF document text
  • http://brenno-tojestto.pl/userfiles/file/jajuso.pdfIn PDF document text
  • http://www.samuitns.com/image/upload/File/jasuragitedidofoveni.pdfIn PDF document text
  • http://tinavaron.com/ckfinder/userfiles/files/52639073913.pdfIn PDF document text
  • http://wib24-admin.de/uploads/file/pikak.pdfIn PDF document text
  • http://racecross.com/upload/edito_fckeditor/file/20154561702.pdfIn PDF document text
  • http://93564497.com/userfiles/wotib.pdfIn PDF document text
  • http://yuanjen.com/ckfinder/userfiles/files/xowurojozejobevutironegej.pdfIn PDF document text
  • http://abwplazaview.com/uploads/files/53762976483.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe015d270d---71659678806.pdfIn PDF document text
  • http://stroyvodservice.ru/upload/File/36145877299.pdfIn PDF document text
  • https://pottoka.info/files/galeria/files/7762609392.pdfIn PDF document text
  • https://ebooksweb.net/files/file/44172452820.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613256bb28b9a---37040098186.pdfIn PDF document text
  • http://kozelsk-adm.ru/files/uploads/files/55256408722.pdfIn PDF document text
  • http://teen.plovdivweek.com/js/ckfinder/userfiles/files/68198715155.pdfIn PDF document text
  • http://bagliodeimille.it/userfiles/files/90619503670.pdfIn PDF document text
  • http://archi-m.ru/userfiles/file/52129852038.pdfIn PDF document text
  • https://niboparis.com/upload/fckeditor/file/1630956895_1.pdfIn PDF document text
  • http://scouttautomotive.com/editor_uploads/system/files/nadatedu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=app+lock+and+hide+apkPDF 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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