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://oniceh.ru/uplcv?utm_term=naruto+shippuden+ep+143 PDF link annotation

  • https://lexconsulting.ro/webroot/files/media/jesumisukasu.pdfIn PDF document text
  • http://ivankotov.ru/img/lib/file/lipefofunofe.pdfIn PDF document text
  • http://anchor-m.com/js/upload/files/98992016840.pdfIn PDF document text
  • https://biserica-izvorul-tamaduirii.ro/files/pawibovunaj.pdfIn PDF document text
  • http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ffff02beb8---ravav.pdfIn PDF document text
  • http://akademibt.com/resimler/files/wewipifademu.pdfIn PDF document text
  • https://autoroman-service.ro/imagini_ws/48300034971.pdfIn PDF document text
  • http://vnationwide.com/userfiles/files/93899103700.pdfIn PDF document text
  • http://hefei.chinatupai.com/web/js/ckfinder/userfiles/files/vosajolepevalunekil.pdfIn PDF document text
  • http://bbhshipyard.com/userfiles/file/setupufikawutaduw.pdfIn PDF document text
  • https://bulgariapools.com/contents/files/47953758492.pdfIn PDF document text
  • http://banghetretruc.com/media/ftp/file/gatigopekovawaj.pdfIn PDF document text
  • https://medicentrumnz.eu/medicentrum/files/file/zidupiledebubimi.pdfIn PDF document text
  • http://rc-modeller.se/images/file///zomekabidulogiwakigu.pdfIn PDF document text
  • http://montazerangroup.com/uploader/file/wamemitodun.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614126bba217c---99474369661.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161329901b38a3---vunasez.pdfIn PDF document text
  • http://vector-food.pl/userfiles/file/gisejovumu.pdfIn PDF document text
  • http://zoncmswebsitebeheer.nl/files/editor/file/wejajekarasalago.pdfIn PDF document text
  • https://shibbirs.com/media/files/2969579671.pdfIn PDF document text
  • https://a-guskov.ru/uploads/files/57132965551.pdfIn PDF document text
  • https://iagclaims.endataclaims.com/ModCoreFilesUploaded/file/35609039814.pdfIn PDF document text
  • http://webinaris.blog/ckfinder/userfiles/publics/files/43489942689.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131907585429---81967415319.pdfIn PDF document text
  • 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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