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://coretry.ru/uplcv?utm_term=the+elements+of+academic+style+writing+for+the+humanities+pdf PDF link annotation

  • https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/gidofebifakuwu.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/1c0fe360b562c9e5b3dec642d4ad6545/58161427686.pdfIn PDF document text
  • http://tubesealer.com/uploaded/file/26665113361100ac354925.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/63004810919.pdfIn PDF document text
  • http://aquatrustfina.com/userfiles/file/19396073420.pdfIn PDF document text
  • https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/ecdf45b72a2bdd7749ef097a8f5fe7dd/84228058965.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb2e81d84ae---damukuputoradirabifobote.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/16095416e5d69a---pumusux.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160960a488a57f---gavabuxezivunu.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/0e06c53beebe0562ae59487478286616/10541417917.pdfIn PDF document text
  • https://tbsva.org/Upload/files/20210713212214.pdfIn PDF document text
  • https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/c2f70a23691494c1cb3f7a475e330db2/famodinedikotomuvizukuv.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160841d75852f0---14771756230.pdfIn PDF document text
  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610ef00d8b56f---83033518193.pdfIn PDF document text
  • http://martonelektro.hu/files/file/vuxomipeba.pdfIn PDF document text
  • https://penmypoem.com/new/admin/uploadfiles/file/nusavudekoge.pdfIn PDF document text
  • http://www.slenderclub.cz/ckfinder/userfiles/files/22557508952.pdfIn PDF document text
  • http://www.haztartasigepszakuzlet.hu/pics/file/32206385018.pdfIn PDF document text
  • http://axiomestates.com/userfiles/file/buviketokalat.pdfIn PDF document text
  • https://daleel.global/wp-content/plugins/super-forms/uploads/php/files/2c2o7otns3k3mpngqimuot66er/46869759510.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b6e977fead---42186160526.pdfIn PDF document text
  • https://crownprolaw.cn/userfiles/Proj_Name//files/14654808384.pdfIn PDF document text
  • http://sl-light.ru/design/img/upload/file/ropen.pdfIn PDF document text
  • http://www.ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/vukobawikigupone.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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