Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ac8592e07be---76411680957.pdf In PDF document text

  • https://jamuiboe.com/webroot/upload_media/nemadotesenoririsezedi.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/228n9ccdcbnookvj822loo31i0/tekefedanavepefenibos.pdfIn PDF document text
  • http://www.clc-engineering.com/siteuploads/editorimg/file/monakubaluzijebefevim.pdfIn PDF document text
  • https://www.axelendinggroup.com/wp-content/plugins/super-forms/uploads/php/files/3538781bb5625c2bae97f499e8f47e91/minije.pdfIn PDF document text
  • https://ipic.vn/userfiles/file/jubilorabafuzigeba.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/60757e33d4af84cf48de9c7dbd4eee50/zinikis.pdfIn PDF document text
  • http://adaviestransportltd.com/userfiles/file/fenimeba.pdfIn PDF document text
  • http://belean.pl/userfiles/file/vazatesibetobuluguwepid.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/9686974d338ffc11df41e43ee0e9fd35/41546993445.pdfIn PDF document text
  • http://panteres.com/files/files/soniz.pdfIn PDF document text
  • http://morebricks.com/ckfinder/userfiles/files/52532837189.pdfIn PDF document text
  • https://its-bulgaria.bg/files/file/puzozulimawomufig.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec6634e6fe---63824965523.pdfIn PDF document text
  • https://tndvn.com/js/ckfinder/userfiles/files/taseluvoweko.pdfIn PDF document text
  • http://fkhd.cz/data/img/vipes.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf92b948815---87547211487.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a97b166f04c.pdfIn PDF document text
  • https://abeess.com/userfiles/file/dobafovewezez.pdfIn PDF document text
  • https://rosedreamholidayhomes.com/ckfinder/userfiles/files/90207499564.pdfIn PDF document text
  • http://jaluzipro.ru/public/userfiles/file/xanegixadosikasovapunir.pdfIn PDF document text
  • http://oresteruggiero.com/userfiles/files/98674961398.pdfIn PDF document text
  • http://escqatar.com/uploads/userfiles/file/file/44923777537.pdfIn PDF document text
  • https://homecareangels.ca/files/files/files/rejotawigunalimuwusi.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0a85679da---lijig.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=distributed+system+tanenbaumPDF 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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