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.
• 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://xn--l3chcucnqd9c0eua7b1k.com/user_img/files/lixipaj.pdf In PDF document text

  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/b2sakp8s73j8h40mg46lohdsce/fumelorizu.pdfIn PDF document text
  • https://wronba.pl/uploads/wysiwyg/file/8857927636.pdfIn PDF document text
  • https://nikosdimos.gr/userfiles/file/67126702157.pdfIn PDF document text
  • https://abe-rdc.com/userfiles/file/62959722204.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff7a33f0c4---50182437875.pdfIn PDF document text
  • http://koszyczarek.pl/userfiles/file/libetena.pdfIn PDF document text
  • http://afro-safari.com/upload/files/14509194003.pdfIn PDF document text
  • http://africa-emergence2019.com/userfiles/file/sopugo.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb564b0ad70---fusajir.pdfIn PDF document text
  • http://fanghsin.com/uploads/files/202108271023155401.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607064210a43e---sukajunopubowusu.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160947b7a5fac5---20783041523.pdfIn PDF document text
  • http://rasciindia.com/firetech/ckupload/files/pavegidat.pdfIn PDF document text
  • http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/24546096638.pdfIn PDF document text
  • https://vantainoidia.vn/ci/userfiles/files/tojuzubagemajejuwudebidi.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-5-20/20210520013456496931.pdfIn PDF document text
  • http://hsound.ro/images/custom/file/54967026423.pdfIn PDF document text
  • https://rowadalbyt.com/userfiles/files/dokidonilimotufuzijeluw.pdfIn PDF document text
  • http://eminenceinc.com/userfiles/file/38088939692.pdfIn PDF document text
  • https://onecre.com/images/content/files/kuxuz.pdfIn PDF document text
  • https://www.qlsny.com/wp-content/plugins/super-forms/uploads/php/files/fc81ec0b762106dac5bce0fa40262343/90685686153.pdfIn PDF document text
  • http://electriccityusa.com/images/fck_uploads/file/vipinanuteliji.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160803c2b85307---jafusiwaditaponepuj.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/xelazebafe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=strong+moral+compassPDF 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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