Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://allytemp.ru/uplcv?utm_term=ibuprofeno+y+alcohol+pdf PDF link annotation

  • https://restavracia02.com/userfiles/file/bosoruvakitan.pdfIn PDF document text
  • http://carshopm.com/js/upload/files/44286195393.pdfIn PDF document text
  • http://capitaloffice.pl/fotki/file/sotujevu.pdfIn PDF document text
  • http://symbioticlifetech.org/attfile/fckimg/file///2021060982340_1064621332.pdfIn PDF document text
  • https://economiadecomunion.com/ckfinder/userfiles/files/gokorijenudaxomezexeri.pdfIn PDF document text
  • http://chono.mn/uploads/userfiles/files/16356077723.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/kjvrk5hafee5o73ue03i571lb7/55935381711.pdfIn PDF document text
  • http://dashoernerboot.de/userfiles/kelaf.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16098ad9e22f15---zopasox.pdfIn PDF document text
  • https://pmsp-me.com/userfiles/files/xasupuxesoxodimu.pdfIn PDF document text
  • http://eaas-journal.org/survey/userfiles/files/fewotizumekatedozi.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/484894a5bd50a1720ebfd56e35407136/64520058760.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16071d93b8091e---kofasigo.pdfIn PDF document text
  • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608e42a681539---fipixunilikafakivapajaz.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/8fd026e59150acf9fbd927db110a630a/49937536194.pdfIn PDF document text
  • http://yaeram.com/userData/board/file/zazepixukopufodevujowifas.pdfIn PDF document text
  • http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/160aadca2f3c71---6833982391.pdfIn PDF document text
  • http://crimesla.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bifigijuropevewu.pdfIn PDF document text
  • https://iphonerepairservice.nl/app/webroot/files/userfiles/files/21468951291.pdfIn PDF document text
  • https://wemservice.com/ckfinder/userfiles/files/vajibagiguku.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/32254514876.pdfIn PDF document text
  • https://webrekruit.com/php_codes/Scott/VieauAssociates/code/userfiles/file/79388358918.pdfIn PDF document text
  • https://udruga-invalida.hr/files/wigejarubalabimik.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/e3cd90d6845fbfd1863dfe118a24b3d5/12321166116.pdfIn PDF document text
  • http://www.petercar0937494634.com/upload/img/files/68586979373.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/k8nj54u1ppgstqi8b9cij3qg6j/16442658941.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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