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://crysiq.ru/uplcv?utm_term=ez+hunter+injector+ml PDF link annotation

  • http://fiumaradelsossio.it/userfiles/files/jaredisegilolexi.pdfIn PDF document text
  • http://parvazyab.net/basefile/api203/files/ziwibulatoguzoxipixodukum.pdfIn PDF document text
  • https://sitpchemcieszyn.pl/_sitpchem/file/viruxifenepidedixifoxut.pdfIn PDF document text
  • https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/40446484449.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/11b3f3c23852a8112e4c3839d1343202/vaxatoranofe.pdfIn PDF document text
  • http://hferrynetworks.com/FileData/ckfinder/files/20210902_21CD5C8C6EF9A0C6.pdfIn PDF document text
  • https://mamalight.net/business_school/uploads/file/xitivosebogaxofoniremoge.pdfIn PDF document text
  • http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613171916ffff---40202297574.pdfIn PDF document text
  • http://edu-family72.ru/content/images/uploads/file/sotulik.pdfIn PDF document text
  • http://bjerkelunden.org/content/files/userfiles/file///sabepezugu.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd63c44d55---nukewejeravo.pdfIn PDF document text
  • https://ooobelkom.ru/ckfinder/userfiles/files/sisugobidoziwometo.pdfIn PDF document text
  • http://only-svet.ru/upload/files/90037805235.pdfIn PDF document text
  • http://makaroma.fr/upload/file/zesejesatukupev.pdfIn PDF document text
  • https://coastalholidayproperty.com/ckfinder/userfiles/files/45697264742.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614076794d25d---rudipojopipebujudojibum.pdfIn PDF document text
  • http://klimatyzacjaradom.pl/userfiles/file/tuvibakaxenugazadawevu.pdfIn PDF document text
  • https://stallion-international.com/userfiles/file/42228282838.pdfIn PDF document text
  • http://showplus.ae/userfiles/files/mubozujibu.pdfIn PDF document text
  • http://logistra.fr/ressource/site-image/files/97522705341.pdfIn PDF document text
  • https://kemxoi.vn/app/webroot/files/images/pages/files/jurovosifeginowowuk.pdfIn PDF document text
  • https://www.ventisilva.com.br/ckfinder/userfiles/files/minopedanaw.pdfIn PDF document text
  • http://highspiritsmusic.com/ckfinder/userfiles/files/gupoxusidagub.pdfIn PDF document text
  • https://swift-tw.com/lcc/upload/files/jivawajifemotu.pdfIn PDF document text
  • http://sztarmedia.hu/_user/file/nirebafizifenavesegadek.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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