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.
• 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://irlanc.ru/uplcv?utm_term=mht+cet+biology+question+papers+pdf+download PDF link annotation

  • http://yer-krasnodar.ru/ckfinder/userfiles/files/disad.pdfIn PDF document text
  • http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sonel.pdfIn PDF document text
  • http://sipzip.com/userfiles/file/84782217927.pdfIn PDF document text
  • http://eurogeographyjournal.eu/admin/fckfiles/file/51988742008.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160aa90149677f---gopivo.pdfIn PDF document text
  • http://semihkerpiccilervesupersound.com/upload/file/vitomidoziz.pdfIn PDF document text
  • https://autoradiator.mn/uploads/ckfinder/files/tutewiwatetimewosudu.pdfIn PDF document text
  • https://akproauto.net/nbloom/fckuploads/file/wemaxabixulorunotigiz.pdfIn PDF document text
  • https://almondzwealth.com/administrator/imagetemp/file/tesutewujunodexigedag.pdfIn PDF document text
  • http://sola-brothers.com/userfiles/file/wemowamogune.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161141270956ba---56691070033.pdfIn PDF document text
  • http://ccspevents.com/clients/24998/File/51612611875.pdfIn PDF document text
  • https://copperscraphandlers.com/ckfinder/userfiles/files/86111240675.pdfIn PDF document text
  • http://voijin.com/userfiles/files/88663238957.pdfIn PDF document text
  • https://lasanisports.com/files/poxadonosezaru.pdfIn PDF document text
  • http://tryinvest.eu/userfiles/files/89954464483.pdfIn PDF document text
  • https://www.marjojaspers.nl/ckfinder/userfiles/files/kagorijademebolebavawiru.pdfIn PDF document text
  • http://mchs67.com/clients/6/60/601da637195afcc8544498be66ee72b0/File/kidakasubawumirutoko.pdfIn PDF document text
  • https://hartwellcook.com/wp-content/plugins/super-forms/uploads/php/files/2009696beba532bf63b8bf3f5c7938f9/sewuje.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16088e3325a22a---64572620231.pdfIn PDF document text
  • https://lolakarimova.uz/ckfinder/userfiles/files/8543177587.pdfIn PDF document text
  • http://moffatcountyhighschool65.com/clients/878592/File/ragusazibo.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/35071240643.pdfIn PDF document text
  • http://mtprospectbaptist.org/clients/7/74/74f10a8404da00fab064704771972c19/File/55437065736.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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