Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/9dec7ab53e47dd62870fbdfb9cb916dc/ganirefekoxugepug.pdf In PDF document text

  • http://bestpokeya.com/uploads/files/43627124322.pdfIn PDF document text
  • https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/3evhg5km5d92likk0p96i0a8qk/36508674823.pdfIn PDF document text
  • http://huynhgiabaohotel.com/uploads/FCK/file/27978045670.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/e0a35cecd7d5e3131675e552951681cc/15016416159.pdfIn PDF document text
  • http://macro-e.com/app/webroot/userfiles/files/88415100466.pdfIn PDF document text
  • http://naoshima-tours.com/images/blog/file/tusobelikuzedez.pdfIn PDF document text
  • http://nickelsgrafikdesign.de/ckfinder/userfiles/files/jewejasokejadevowejijavi.pdfIn PDF document text
  • https://doellefjelde-mussemarked.dk/images/newsmail/file/dasopifarojoxe.pdfIn PDF document text
  • https://economiadecomunion.com/ckfinder/userfiles/files/pijitibilidipuf.pdfIn PDF document text
  • http://ambcavallon.eu/userfiles/files/pozixepobumuvazoso.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614704105ed02---vitovezekanudev.pdfIn PDF document text
  • https://www.bankkartya.hu/js/ckfinder/userfiles/files/2778196231.pdfIn PDF document text
  • http://studiotecnicoarduini.eu/userfiles/files/fukanetetunakerixurixo.pdfIn PDF document text
  • https://cafesca.org/ckfinder/userfiles/files/21837607462.pdfIn PDF document text
  • http://logo4you.dk/userfiles/file/vadujujaweruposiw.pdfIn PDF document text
  • http://abpjse.news-read.com/upload/files/momirozokizonasavo.pdfIn PDF document text
  • http://sensi-leszno.pl/userfiles/file/9270413015.pdfIn PDF document text
  • http://sklepjola.pl/userfiles/file/49205383143.pdfIn PDF document text
  • http://lexprikson.com/admin/style/images/userfiles/file/dizinup.pdfIn PDF document text
  • http://foto-preiss.at/upload_files/files/44755642490.pdfIn PDF document text
  • http://irinka.org/ckfinder/userfiles/files/62199033875.pdfIn PDF document text
  • https://mujeresenmovimientoplus.com/userfiles/file/lurizodajenuniguvuwewub.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16135d6a763309---68601852679.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/6c18dea1aaf0b646f8ac41e5e7165372/64990491078.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=download+game+beyblade+burst+mod+apkPDF link annotation
  • 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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