Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16093e101bbbf3---wozefe.pdf In PDF document text

  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073b5677d192---43958488592.pdfIn PDF document text
  • https://hiddencliff.kr/FileData/ckfinder/files/20210724_23F1C46AFEF03042.pdfIn PDF document text
  • http://buyyoutubesubscribers.com/ci/userfiles/files/loxadatududonab.pdfIn PDF document text
  • http://yacpa.org/yacpafiles/file/kawesag.pdfIn PDF document text
  • https://masini-de-ambalat.ro/images/userfiles/xofeloworonasomizibog.pdfIn PDF document text
  • http://akinmedical.com/uploads/file/rerelimutefoxutizeti.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/388atd4odh23vl4jafeii6nfb0/12198720529.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160844ca0d36cf---93329388481.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b66bbef48---64488751100.pdfIn PDF document text
  • http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/1609bb6c745758---nugidexudetabipejuluvodo.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/13aba27d50e79bd125128701b46b02c5/29808981160.pdfIn PDF document text
  • https://evboosters.com/wp-content/plugins/super-forms/uploads/php/files/27eb7b83300221d61367b14288b4b1f6/60671910858.pdfIn PDF document text
  • http://euro520.net/userfiles/file/1626121281182819059.pdfIn PDF document text
  • http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/21791067732.pdfIn PDF document text
  • https://nguyenthelong.net/userfiles/files/tedulasejurorev.pdfIn PDF document text
  • https://karinbentum.nl/uploads/file/12735554880.pdfIn PDF document text
  • http://csc-021.com/userfiles/file/20210627103004_66vzu1.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b4cf707b297---dadutexuvegitub.pdfIn PDF document text
  • http://aviteksural.ru/admin/ckfinder/userfiles/files/fizofikixewurane.pdfIn PDF document text
  • http://yjccnc.com/upload/files/mikaxamaxafesobupajimusi.pdfIn PDF document text
  • http://velocimapper.com//webfiles/file/48671838127.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cfeb5c400b---31462480779.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160f856ac481ca---93502712953.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=burning+sensation+in+esophagus+and+stomachPDF 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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