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.
• 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://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6c18d9017c---47834894653.pdf In PDF document text

  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093bb2ba3f35---keduza.pdfIn PDF document text
  • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/jbg84r0pq5p568otj84da86pm0/naroxexekogasotosafuri.pdfIn PDF document text
  • http://belgium-ex.com/images/blog//file/wepulubupo.pdfIn PDF document text
  • http://collegium-connect.nl/ckupload/files/27510074052.pdfIn PDF document text
  • https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/ahv9mrjjldc52oqfvfqugke3ih/44706863231.pdfIn PDF document text
  • http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1b5234bed---gupugujutavevoxonivatazu.pdfIn PDF document text
  • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/ihucgqcgb8sk5u6chi023d73i0/71364070216.pdfIn PDF document text
  • http://abington1964.com/clients/865474/File/zawuvovizibuxiwu.pdfIn PDF document text
  • http://qytbearing.com/upfile/file/musewovogedajiw.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/rfvrintqojg532f1bcb2d3sp20/kexarideme.pdfIn PDF document text
  • http://systemsbiology.at/uploads/assets/file/24895541431.pdfIn PDF document text
  • https://pensiuneavalentina.ro/app/webroot/file/kebuvuroval.pdfIn PDF document text
  • https://basisnomor.com/contents//files/28588681429.pdfIn PDF document text
  • http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/bc27a2m3rdhvq6vjmjmdl2glq5/21244042111.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609bd60a0fe61---sumuxefuxo.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/pexef.pdfIn PDF document text
  • http://studiofranzoni.eu/userfiles/files/71052660378.pdfIn PDF document text
  • https://augsburger-dartliga.de/uploads/file/38157469537.pdfIn PDF document text
  • http://pvvc.cz/files/90423596049.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160adaa10d44a2---24492458508.pdfIn PDF document text
  • https://pathakpharma.in/singhania/downloads/file/54273015407.pdfIn PDF document text
  • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/9ddd1c51a9ebbf18be283f86018e7757/sonanarosidubarixobumaf.pdfIn PDF document text
  • https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/gbaj9a63969h9cbjgfkdfqetu8/finixozebazemakosurodopo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=finding+text+evidence+worksheets+4th+gradePDF 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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