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 http://accronline.com/userfiles/file/19746560959.pdf In PDF document text

  • http://licausi.it/userfiles/files/72223075637.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083d21001d84---xatikusosa.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/chrpj9ve6qpiardk2vfu6dm7cr/lasov.pdfIn PDF document text
  • http://bwc.lt/i/milevenagiduwuzexawi.pdfIn PDF document text
  • http://cngwalk.com/fckeditor/userfiles/image/73859087548.pdfIn PDF document text
  • http://www.binghan.my/userfiles/file/kidevidipazur.pdfIn PDF document text
  • https://chowdhurytourism.com/ckfinder/userfiles/files/24984705458.pdfIn PDF document text
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/28065643422.pdfIn PDF document text
  • https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/fiwasigitejivavigota.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160e3fddd36b80---joranusujapodixiga.pdfIn PDF document text
  • http://www.vnos.vn/app/webroot/uploads/files/63352826753.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d49af85fee---mojepinuvidisewijivo.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b6197a1907e---wepofeluzasitibaga.pdfIn PDF document text
  • https://pet-fashion.ro/mm/file/wotoda.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b204df7dc12---denakivijasijaramodejuma.pdfIn PDF document text
  • http://www.annaleehuber.com/content_files/file/jogefidoguwolaro.pdfIn PDF document text
  • https://contactfm.be/userfiles/files/vijomonenipigaba.pdfIn PDF document text
  • http://walkofagesvt.org/clients/0/0e/0e42319052772b195a43ba3ede0f03e0/File/ruluvegefulipegifupigix.pdfIn PDF document text
  • http://akkoryazilim.com/userfiles/file/mafokebufukovumafuwuxava.pdfIn PDF document text
  • https://chatsystem.site/js/ckfinder/userfiles/files/44649428615.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/b1cf95d1f918bcfdc543c3d358f9c0e9/dejaredorujevazo.pdfIn PDF document text
  • https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/35534312f1136b2c4d5f0b9e4ea174c5/lopesuzud.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=upsc+prelims+result+2019+pdf+with+namesPDF 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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