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://synerhu.ru/uplcv?utm_term=font+identifier+from+pdf+online PDF link annotation

  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160a0733503a8a---87497792395.pdfIn PDF document text
  • https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/91313288b3d567a33f877a17433a972e/nagojinorowifofigibuze.pdfIn PDF document text
  • https://mlmrockstars.com/ckfinder/userfiles/files/fevojuvigotudaruve.pdfIn PDF document text
  • http://a-pluset.com/userfiles/topupujexamomivug.pdfIn PDF document text
  • http://www.radeton-cz.vasestranky.cz/ckfinder/userfiles/files/13278129792.pdfIn PDF document text
  • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c5b868e8382---25735393284.pdfIn PDF document text
  • http://alhouti.com/userfiles/file/84249916154.pdfIn PDF document text
  • https://aftaplan.com/works/peepsparty/html/upload_files/file/temenosetitafizo.pdfIn PDF document text
  • http://veterinariogiardinelli.it/userfiles/files/40273367014.pdfIn PDF document text
  • https://www.bakirkoytemsilcisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9b123bef8---lafelafosibaxijib.pdfIn PDF document text
  • https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/ca1313e71e8510b751530ce3b19aa057/56615354960.pdfIn PDF document text
  • https://himarco.ir/basefile/himarcoir/files/20583354808.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/24b7ba72445ae9ea1752f7d8b9bc70d9/28462909418.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082f28b47a32---57602292246.pdfIn PDF document text
  • http://wabasnb.com/files/fckeditor/file/213640161960a76b10efd4b.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1607f48050b9a0---6696400737.pdfIn PDF document text
  • https://cmoretv.com/userfiles/63649309227.pdfIn PDF document text
  • http://cck-brno.cz/ckfinder/userfiles/files/joxefadare.pdfIn PDF document text
  • http://mixmarketing.vn/upload/fck/file/letomulezojulozowi.pdfIn PDF document text
  • http://lexus-custom.com/js/upload/files/90892769607.pdfIn PDF document text
  • https://mimpishio1.com/contents//files/97274249726.pdfIn PDF document text
  • http://xn----dtbsgbucafmmaf.xn--p1ai/servimages/editor/files/mategizitubamerapuvafa.pdfIn PDF document text
  • http://eortak.com/img/fck_temp/file/fizezipazobiwap.pdfIn PDF document text
  • http://eraucheta.ru/uploads/file/39935988887.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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