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://nomylo.ru/uplcv?utm_term=share+internet+via+usb+android PDF link annotation

  • https://cowik.pl/upload/tebititafon.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613dd7525d4f9---42725067212.pdfIn PDF document text
  • http://tonyprins.nl/images/uploads/file/19141263658.pdfIn PDF document text
  • https://rachelrom.com/rescontent/file/57573317608.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144915ac39e7---21474878908.pdfIn PDF document text
  • http://okzawidow.pl/img/upload/files/kojetobusos.pdfIn PDF document text
  • http://www.addvanceo.info/userfiles/files/dagomixebed.pdfIn PDF document text
  • http://cafemsoffice.com/userfiles/files/mavejifogitujerowezuzabot.pdfIn PDF document text
  • http://stroisvias.ru/userfiles/file/favukejasonijomavebuxa.pdfIn PDF document text
  • http://eastcity.hu/ufiles/file/jamabilubukisalitoz.pdfIn PDF document text
  • http://ausafe.net/images/art/files/97034050341.pdfIn PDF document text
  • http://bielle-srl.com/userfiles/files/vexexobivaxebifuxugovemo.pdfIn PDF document text
  • http://mictrogiang.com/userfiles/files/33161129725.pdfIn PDF document text
  • https://giaynangchieucao.com/userfiles/file/vupoma.pdfIn PDF document text
  • http://ip-golubev.ru/ckfinder/userfiles/files/38740551029.pdfIn PDF document text
  • http://studiozammuner.eu/userfiles/files/74969947021.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/6a5d41e564d9e7300ba3ed6eb2a08d45/10464583102.pdfIn PDF document text
  • http://e3edu.vn/public/ckfinder/core/connector/php/connector.phppublic/uploadsfiles/98313561040.pdfIn PDF document text
  • https://a-pointpro.com/cms/ckfinder/userfiles/files/14828950402.pdfIn PDF document text
  • https://olterus.net/contents/files/75484517586.pdfIn PDF document text
  • https://yodishit.com/uploads/userfiles/file/xewinisujor.pdfIn PDF document text
  • http://stilistspb.online/public/files/uploads/files/sewivixoko.pdfIn PDF document text
  • http://master-br.ru/img/file/60687492439.pdfIn PDF document text
  • http://elementyzlaczne.pl/media/file/kivesuxezepebimixikogiz.pdfIn PDF document text
  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210901145516116840mxna7r.pdfIn PDF document text
  • https://chambres-lannion.fr/userfiles/file/13296493000.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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