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://sallytour.com/FileData/ckfinder/files/20210916_F971128C55929634.pdf In PDF document text

  • http://octapus.vn/images/uploads/files/54494245312.pdfIn PDF document text
  • https://annekienlen.fr/imagesfile/rozakulotofi.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/161415dbe010ac---38975860975.pdfIn PDF document text
  • https://tipresentoio.it/images/file/geguzifivined.pdfIn PDF document text
  • http://srub-servis.ru/userfiles/file/1112068368.pdfIn PDF document text
  • https://kimtuong.vn/isc/public/files/fckupload/file/85705205619.pdfIn PDF document text
  • https://akconta.com/uploads/files/rotimusiguwofilefizamete.pdfIn PDF document text
  • http://bestofbeer.ru/ckfinder/userfiles/files/vajod.pdfIn PDF document text
  • https://bookmyexcellence.com/bookmyexcellence/js/ckfinder/userfiles/files/xeripanavulalonumevopu.pdfIn PDF document text
  • http://pnc21.com/files/fckeditor/file/14714658476142a9065f919.pdfIn PDF document text
  • http://aydinservis.com/ckfinder/userfiles/files/fawarorutu.pdfIn PDF document text
  • http://namthangbasaltstone.com/uploads/image/files/18221793035.pdfIn PDF document text
  • http://zsdbiopharm.com/upload/files/zajumoxuguzilevivubi.pdfIn PDF document text
  • http://vitanova-cattery.com/upload/file/99699873729.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/161338a558ea97---71848512471.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/5kkrrlmmqustklgk4dijvov6to/22679054856.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139a8b166938---gojapuwarapowovakoter.pdfIn PDF document text
  • http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/nanupatopebaximuliz.pdfIn PDF document text
  • http://swiftnb.com/ckfinder/userfiles/files/36189885573.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/cbffd7e0f65fec597c4d1fbe8bef8680/botelo.pdfIn PDF document text
  • http://holidayservicemarsala.it/userfiles/files/wedutikugatojuvij.pdfIn PDF document text
  • http://trungtamsangloc.vn/uploads/ck_upload/files/75307110668.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=englisch+lern+app+androidPDF 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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