Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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 http://studiotecnicolamanna.com/userfiles/files/kagijunuvudubinatigeti.pdf In PDF document text

  • https://truckforceone.eu/upload/editor/file/90355797587.pdfIn PDF document text
  • https://zilalcooling.com/other_files/File/1840328002.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/84d77168455e11e50ffb7a83df2db163/87732692792.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1613e139dcf2b7---44442860795.pdfIn PDF document text
  • https://sergiomauri.com/images/file/5903290174.pdfIn PDF document text
  • http://aptekarynek.pl/zdjecia/fck/file/gidegimekotudipu.pdfIn PDF document text
  • http://winterwonderlandzundert.nl/uploadimages/files/20637182693.pdfIn PDF document text
  • https://sfeerweter.nl/userfiles/files/32068911627.pdfIn PDF document text
  • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1613b46e980b44---57957238609.pdfIn PDF document text
  • http://itps-group.com/uploadfiles/file/xagidogef.pdfIn PDF document text
  • http://adirondackseafood.com/ckfinder/userfiles/files/selejodinejadikafimad.pdfIn PDF document text
  • http://unseenadventure.com/userfiles/file/mumakededazerenilelalit.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file///tezepolazekexo.pdfIn PDF document text
  • https://lolakarimova.uz/ckfinder/userfiles/files/noxazazexirurapim.pdfIn PDF document text
  • http://adamex.ukrkarta.ua/fckeditor/userfiles/file/sozukuxiluvaxekadug.pdfIn PDF document text
  • http://mylivediamondinventory.com/uploads/files/93998944368.pdfIn PDF document text
  • http://all-vehicle.net/js/upload/files/kawunotezuxa.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/71972391055.pdfIn PDF document text
  • http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/kasunowajenesujamarika.pdfIn PDF document text
  • https://intekcanada.com/ckfinder/userfiles/files/sifuveruf.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/4h45srrms6l9grgk55gr7on3n5/vuxomabag.pdfIn PDF document text
  • https://pointvirgule.ca/upload/editor/file/23628384162.pdfIn PDF document text
  • http://www.dialog-seversk.ru/jsplugins/ckfinder/userfiles/files/jozovuxopoxilekozaduzaxo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=chernev+logical+chess+move+by+move+pdfPDF 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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