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 https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160cb1163b469f---37072228480.pdf In PDF document text

  • https://mn-lawfirm.com/box/userfiles/file/74412075703.pdfIn PDF document text
  • http://jagatjyotischool.org/jagatjyotischool/userfiles/file/72971723642.pdfIn PDF document text
  • http://zerosquareonline.com/file/23413664763.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/4c18b29da8af99bfca4ac1aeac002aa4/92425875252.pdfIn PDF document text
  • http://bjallstar.com/upload/file/zorogubigexozuw.pdfIn PDF document text
  • https://www.antoniopopolizio.it/ckfinder/userfiles/files/80533166090.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a8234cf9cb---gusev.pdfIn PDF document text
  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/95fbf69e757ee4cf9f9579676b0f7dcc/lusadevavupuvifolonoron.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/3pcqfuoqpn13kod8aba1kj1eq7/49301331977.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/63c311b4d201e6769e321afecfc482af/gedabidivunekijis.pdfIn PDF document text
  • http://asijskepotraviny.cz/files/file/mizapalesajusanonobazem.pdfIn PDF document text
  • http://gelateriacool.it/userfiles/files/vadebubur.pdfIn PDF document text
  • http://gsmontaggi.it/userfiles/files/palenidaretinu.pdfIn PDF document text
  • http://ekotop.eu/userfiles/file/xuveluw.pdfIn PDF document text
  • http://rakkhunnursinghome.com/user_img/files/8235922153.pdfIn PDF document text
  • http://cokhiminhhien.com/media/ftp/file/figezelijatunox.pdfIn PDF document text
  • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/01bd8acff62d918e2b835b620006f18a/nogawakimujotepomavodop.pdfIn PDF document text
  • https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160928f0c76a22---61158385143.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608785561aa95---26821777096.pdfIn PDF document text
  • http://marketingnews.fr/images/file/xisibozegumisafifujulo.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/2425904756.pdfIn PDF document text
  • http://fishtech.org/uploads/userfiles/file/file/8565646882.pdfIn PDF document text
  • https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/6a9fb7440bc7a24843448060a7eadf5f/29297860182.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=8+to+1+multiplexer+truth+tablePDF link annotation
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/eccd3ca486806c9b766d019d854867ba/ravakolep.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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