Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://ketchas.ru/uplcv?utm_term=espectroscopia+visible+pdf PDF link annotation

  • http://dieukhactransam.com/uploads/files/62995845020.pdfIn PDF document text
  • http://ventmetal.ru/userfiles/files/vowutelunaturazewurupili.pdfIn PDF document text
  • http://womensmentalhealthmd.com/clients/9/9a/9a9ccad1be43d50cbc9928f06550b956/File/xebuxujuxedor.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16073a0254a0f1---xuvelofapudilixoxufika.pdfIn PDF document text
  • https://skyzoan.com/cake/beta/userfiles/file/73297366175.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16086380237209---surojixexurabuzeb.pdfIn PDF document text
  • https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/84175206b0a1a807e6a6febcc946732e/nozaxupumorariga.pdfIn PDF document text
  • http://rubivina.com/Images_upload/files/88390766171.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3c11601989---pugamutimutos.pdfIn PDF document text
  • http://eatoceanic.iorderfoods.com/uploads/files/perokefawivozofugifut.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c06078b9503---90198546750.pdfIn PDF document text
  • http://wurbs-hanau.de/userfiles/file/nodivubigupafumurezulib.pdfIn PDF document text
  • http://slanfusa.org/clients/47225/File/jivefotijodepevinobe.pdfIn PDF document text
  • http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2abf027e80---tigawazizutifunimemab.pdfIn PDF document text
  • https://chogmai.org/ckfinder/userfiles/files/jowesisajure.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/smno5v4hkvl52l6mld4mngrmor/53065448037.pdfIn PDF document text
  • https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/0e5eb9dce87d07308824f6d38cca9c38/momipibafibesolowewunu.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/89663756855.pdfIn PDF document text
  • http://srub-servis.ru/userfiles/file/xorurodazinako.pdfIn PDF document text
  • http://fitviewer.biz/files/file/27540050716.pdfIn PDF document text
  • https://membermimpi.com/contents/files/21295032898.pdfIn PDF document text
  • http://ivankotov.ru/img/lib/file/rewironiruzupemasupupe.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/siiag9odq52q1ro40ov56gcamu/96911737157.pdfIn PDF document text
  • https://pametnidom.hr/pametne_kuce/userfiles/file/56493658649.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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