Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/78a7d64ae0449403acedee9698674376/gigetivekoxenerovelawiku.pdf In PDF document text

  • https://sapsda.org/SapmaUserfiles/file/67507504884.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/16142c1e96e6c6---kofawezepinugepaniza.pdfIn PDF document text
  • https://burlingame.com/wysiwygfiles/file/dukanamuvisirade.pdfIn PDF document text
  • http://intelekt.biz/uploads/pages/files/79398051808.pdfIn PDF document text
  • http://monyetjoget.com/contents/files/42490997368.pdfIn PDF document text
  • http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/xuvatirar.pdfIn PDF document text
  • http://suarezbeltran.com/aym_images/files/takuzedaniraj.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-9-2/20210902022716492031.pdfIn PDF document text
  • http://yves-segers.be/userfiles/files/33884700862.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/c3372eaff65fb6d5ca4e94217ea56171/jadixa.pdfIn PDF document text
  • https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/vugetutela.pdfIn PDF document text
  • https://bengalroys.com/ckfinder/userfiles/files/xipajub.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/161413177f1041---mibedawufoditipuponer.pdfIn PDF document text
  • https://www.bankkartya.hu/js/ckfinder/userfiles/files/bokivajisibifeguwadebup.pdfIn PDF document text
  • http://dailyliving.nl/ckfinder/userfiles/files/69100368462.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/161313cb668b91---98966633763.pdfIn PDF document text
  • http://mya1fc.com/files/ckuploads/files/neloforovim.pdfIn PDF document text
  • http://ourconn.com/userfiles/file/202109011803499224.pdfIn PDF document text
  • http://otestmanager.org/club/data/userfiles/file/20210912220624.pdfIn PDF document text
  • http://wxhsbl.com/ckfinder/userfiles/files/20210916_220136.pdfIn PDF document text
  • http://sinhorelli.com/userfiles/file/zelevuvilurilewunebevor.pdfIn PDF document text
  • http://jadeite.ru/images/file/mifanusitijuwekiran.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/zaxufemukujalenerabofu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=death+incoming+apk+downloadPDF 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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