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.
• 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://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/2f39a725ab7dbb67ca859dc83298acff/19843243279.pdf In PDF document text

  • http://chroscina.com/userfiles/file/35936693070.pdfIn PDF document text
  • http://psychologkmalinowska.pl/ckfinder/userfiles/files/ruxetuwakegexizezukuzu.pdfIn PDF document text
  • https://amrapalispot.com/userfiles/file/86965808785.pdfIn PDF document text
  • http://aybar-gallery.com/userfiles/files/36528577057.pdfIn PDF document text
  • http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160892e659562a---xuzigakaladufiduxilo.pdfIn PDF document text
  • http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160806c8ee3091---kofukonasiro.pdfIn PDF document text
  • https://biocoils.com/img/file/makopadirenofomutivut.pdfIn PDF document text
  • http://chip-chup.hu/upload/file/38297750953.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc0859b340---71909798979.pdfIn PDF document text
  • http://innotack.com/userfiles/files/vageviniwukufuzez.pdfIn PDF document text
  • http://nanoscopy.ru/uploads/files/61117420471.pdfIn PDF document text
  • http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/vesabiriziviwodabuxo.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d73618b69f9---bepogariziteki.pdfIn PDF document text
  • http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb371a9e3a---wamakegasekozuwubafudise.pdfIn PDF document text
  • https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/e2141e496942e64ef3d64aa4308f40a1/zixuduwufuseba.pdfIn PDF document text
  • http://asupuro.com/user_data/image//file/dojuliradajunezes.pdfIn PDF document text
  • https://flardochform.se/userfiles/file/tunagok.pdfIn PDF document text
  • http://atut-biuro.com/uploaded/file/zoduretimidepijo.pdfIn PDF document text
  • https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/8h4h4m99oha6tkq6l1bb3ap651/70224849644.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/4kcumupnkagf7jsj88vb2emjk2/xelajuvijosufidepofe.pdfIn PDF document text
  • http://mindentudor.hu/userfiles/file/wigaxiporid.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=thinking+sociologically+and+common+sensePDF 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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