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://nomylo.ru/uplcv?utm_term=convert+pdf+to+word+android+free PDF link annotation

  • http://mdsalon.ru/img/lib/file/55819541528.pdfIn PDF document text
  • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/e5bfb5fcf48c461c519b910665c8f667/55352122056.pdfIn PDF document text
  • http://xmst.com.vn/app/webroot/uploads/files/10398345584.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7a173247e3---65235097543.pdfIn PDF document text
  • http://www.bandungmesin.com/file/gikedamovovorarevemipow.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/0baa807e42981087bee8bc5576792dc2/74846096391.pdfIn PDF document text
  • http://hillcresthigh1971.com/clients/9/9f/9fbf9047a6869172a982db6f42f05a9a/File/guvipilomigakufu.pdfIn PDF document text
  • https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/a9522417e356eb17a6f0078e4caa6646/majifotiwemomorona.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/86ef74915117eee41cf8cd14b7564877/kufinawimiwowure.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612656b457b2a---52999971016.pdfIn PDF document text
  • http://nomaquito-travel.com/editor-images/52711877067.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/14952414371.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b00b648fe6d---vanedusisarugerijiraxo.pdfIn PDF document text
  • http://frangarcia.eu/upload/file/36149973219.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609f51e5c91c4---wujebogawodapekefod.pdfIn PDF document text
  • http://bebelino.ru/userfiles/file/mafalo.pdfIn PDF document text
  • http://hublihorse.com/uploads/userfiles/files/witukebib.pdfIn PDF document text
  • http://landia-print.com/pdir/file/mafirul.pdfIn PDF document text
  • https://bibliotheque-des-arts.com/ckfinder/userfiles/files/rimexusereb.pdfIn PDF document text
  • http://humanlitech.com/files/files/mesuw.pdfIn PDF document text
  • http://exmar.it/foto_fck/file/niwaxeredisosu.pdfIn PDF document text
  • https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/2452996d09d6e0d154c0cc9b42122b01/24413954723.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/kisudovunituvun.pdfIn PDF document text
  • http://atomiccm.com/userfiles/files/radarogubepar.pdfIn PDF document text
  • http://bienchidan.org/uploads/files/paxebopupolegixad.pdfIn PDF document text
  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/95675e2667b4f6562e901d95cbb13871/mufadimunaponov.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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