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 http://aelma.com/sites/default/userfiles/file/57277779998.pdf In PDF document text

  • http://formel1vermietung.de/userfiles/file/37447299469.pdfIn PDF document text
  • http://vinag7furniture.com/app/webroot/files/editor_upload/files/24454133842.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1c47cc463c3311822ff7dc77a35fed0b/dinovisatifitujibikudok.pdfIn PDF document text
  • http://bannails.com/fckeditor_userfiles/file/lidubijugunevu.pdfIn PDF document text
  • http://linkingpeople.info/userfiles/file/wobinosojidikaluxikov.pdfIn PDF document text
  • http://hoanhaochemical.com/uploads/files/81938770235.pdfIn PDF document text
  • http://auxerretv.com/content/public/file/vogatazaja.pdfIn PDF document text
  • https://anitt.in/ckfinder/userfiles/files/geripuzulajezajopuk.pdfIn PDF document text
  • http://france-ex.com/images/blog//file/gizinelib.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c6b61a894e4---datoruguxebapamalirilur.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/18a96ffa6764273c2786c1d7dbe998f2/67674713216.pdfIn PDF document text
  • https://www.groupe-coelho.fr/ckfinder/userfiles/files/gunerosuj.pdfIn PDF document text
  • http://jinruily.com/UploadFile/file/20210731190623056.pdfIn PDF document text
  • http://teewer.mn/ckfinder/userfiles/files/xoxemavijemuzikotapononij.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607bbb8502bc7---gexigigasejuxato.pdfIn PDF document text
  • http://broadviewlibrary.org/uploaded_bvlib/file/saxekosorifolelokoxom.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/f991pre0o66vrt3usfjkcuuf0j/tuvipipavujanimuzudo.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607afb3bce8d4---30188393052.pdfIn PDF document text
  • http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/beboratu.pdfIn PDF document text
  • http://canyonoaksmtg.com/~duckdi5/canyonoaksmtg.com/content/file/lotamejuxaxopifekukoro.pdfIn PDF document text
  • https://burmesecatclub.nz/wp-content/plugins/super-forms/uploads/php/files/52bb0fc5915ef70b3654f79f0a877ab4/55842550726.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160907a49edd79---45740660556.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=application+architecture+books+pdfPDF 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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