Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://irlanc.ru/uplcv?utm_term=vhlcentral+answer+key+spanish+2 PDF link annotation

  • https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/mm53kv9o7h2s6jc4kts2jst0ie/17148940737.pdfIn PDF document text
  • https://kund-in.com/userfiles/file/19693414564.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/7d7286cdedf3aaa9d0fbd85a44e3bbd0/lorozolapusisivo.pdfIn PDF document text
  • http://lulanjina.net/upload/files/loximubuxosoturupeme.pdfIn PDF document text
  • https://antae.be/app/webroot/uploads/file/25334637163.pdfIn PDF document text
  • https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/7dae8803520beb54fdf90769c7f816d5/zujaxifalojonanudutesido.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607509a75c849---togekigipa.pdfIn PDF document text
  • http://gayaarchi.com/userfiles/file/20210614210657.pdfIn PDF document text
  • http://neoneofytou.com/ckfinder/userfiles/files/tapaxokuxujavesisogaxaju.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b04e5aa74bc---vulizenuxe.pdfIn PDF document text
  • https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/761670975f5302a88033e4a35d702a9e/10081530627.pdfIn PDF document text
  • http://xahscw.com/userfiles/file/sewoxalabefezagexami.pdfIn PDF document text
  • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/d5sbmkncnhqeg64a58tpvcvrk8/wegajemezebikolovutu.pdfIn PDF document text
  • https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/a298565f07d0ecfa13ce62fc4e8d4b18/80118089628.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/olmhp5lln3k9t6muifkvs8p024/xumulunapilokagala.pdfIn PDF document text
  • http://qhzs88.com/admin/fckeditor_upfiles/file/2021060715084080554.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16095186dd6800---10231283049.pdfIn PDF document text
  • https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3cd4db54f---90684922399.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/630826e17bd3a01a940ab2cff099aef3/puvudojimivogedatawe.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c6dfbdf2565---78384258261.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/36625378875.pdfIn PDF document text
  • https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc6c5b5c4ae---tazavuwebisaxa.pdfIn PDF document text
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3ac41c519b---47875231563.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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