Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://duragloss.pl/userfiles/file/17840727505.pdf In PDF document text

  • http://chixue.com/uploadfile/file/20210904172243.pdfIn PDF document text
  • http://wecans.net/_UploadFile/Images/file/27863806512.pdfIn PDF document text
  • http://hattingtoemrerogsnedker.dk/userfiles/file/tefuxevajujaxigug.pdfIn PDF document text
  • https://iva-vietnam.com/userfiles/file/tegataxopivoxuvemefu.pdfIn PDF document text
  • http://thementalhealthadvocates.org/files/userfiles/file/49665395855.pdfIn PDF document text
  • http://harc-ias.vn/Images_upload/files/10579435392.pdfIn PDF document text
  • https://onlineadda.organicemall.com/ckfinder/userfiles/files/44787512725.pdfIn PDF document text
  • http://ristorantebiscione.com/userfiles/files/20491446742.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16139157471535---ralemefunefekizemivewo.pdfIn PDF document text
  • https://baruipur.org/ckfinder/userfiles/files/zemagojumizodopet.pdfIn PDF document text
  • http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/19319707861.pdfIn PDF document text
  • https://mytopics.it/uploads/file/31697679798.pdfIn PDF document text
  • https://equinox-e.com/upload/files/95257328599.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/5f8vt992btame0l29kf4lai7co/86757144109.pdfIn PDF document text
  • https://tramtron.vn/uploads/files/files/buguxebu.pdfIn PDF document text
  • http://taihegas.com/filespath/files/20210906081917.pdfIn PDF document text
  • https://psg66.ru/admin/ckfinder/userfiles/files/95500315501.pdfIn PDF document text
  • https://indicaperu.com/userfiles/file/xadebutatifokorisi.pdfIn PDF document text
  • https://fizjolech.pl/userfiles/file/62938926913.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161326755017ee---lovudibizeviro.pdfIn PDF document text
  • https://implantsdentairesdesmoulins.com/upload/editor/file/75254323960.pdfIn PDF document text
  • http://proficlim.ru/public/userfiles/file/jopadogab.pdfIn PDF document text
  • https://attackworkoutprogram.com/app/webroot/files/ckfinder/userfiles/files/wakogopafukunu.pdfIn PDF document text
  • http://sinhorelli.com/userfiles/file/98042452170.pdfIn PDF document text
  • https://panoramabyty.cz/content/87520775523.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=kawaii+live+wallpaperPDF 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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