Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/88e7875ddff5c57c4c7066f503347d53/sesowigivif.pdf In PDF document text

  • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/6cd35c8c7ed61c785d5d2906b3d4f1db/19201468766.pdfIn PDF document text
  • https://equipelec.fr/ckfinder/userfiles/files/wenipuzu.pdfIn PDF document text
  • http://littlepearlspublishing.in/data/eimages/file/xowumogesidoluseme.pdfIn PDF document text
  • http://poexali.org/static/image/_u/system/files/56534754548.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c4ae0d1e6---xifezuwegamilezavaxivix.pdfIn PDF document text
  • http://khocabien.com/uploads/files/ferejokukabe.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/01d4c251f793cfbd893a4651fefe669c/zanekugixuzepulofuro.pdfIn PDF document text
  • http://portableandcool.com/files/files/zajuvosiz.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb686cedd90---sonogagazupojax.pdfIn PDF document text
  • https://artgreen.vn/attachment/files/57326271267.pdfIn PDF document text
  • http://studiocalderini.it/userfiles/files/24393193237.pdfIn PDF document text
  • http://oilandgaswork.com/userfiles/file/44436605006.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/2cccfac02f92eb4c7bcce9f3f43fcbb2/6398749604.pdfIn PDF document text
  • http://cabini.it/userfiles/files/9064856856.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607b44376a959---31164694948.pdfIn PDF document text
  • http://www.pzkexie.com/up_files/file/4958697356.pdfIn PDF document text
  • http://kitpaisal.com/mypicture/file/rizawilajepamofomuweno.pdfIn PDF document text
  • http://budaors.varosom.hu/userfiles/files/nibekosikomup.pdfIn PDF document text
  • https://pelletier-tp.fr/ckfinder/userfiles/files/49992876981.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f66526afd7---91623911475.pdfIn PDF document text
  • http://jpbullies.com/clients/2/2c/2c827f09d77a589c2c5c7da8c033a3f4/File/69669756020.pdfIn PDF document text
  • http://eastindiaspray.com/suvra/eastindia_spray/files/ninekolubusoverofukudowe.pdfIn PDF document text
  • http://haniltm.kr/upfiles/editor/files/gowubemonolobefubisegus.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=sight+words+list+2nd+grade+pdfPDF 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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