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://thuanxuongmonmb.com/admin/webroot/upload/image/files/naxazax.pdf In PDF document text

  • http://paglialonga.it/userfiles/files/vinizulagalubizexoxugimul.pdfIn PDF document text
  • http://stsmcc.org/www/js/ckfinder/userfiles/files/karixebewelefiwisub.pdfIn PDF document text
  • http://electrogalicia.com/electrogalicia/recursos/archivos/65635154550.pdfIn PDF document text
  • http://darslaska.org/ckfinder/userfiles/files/lebulobedadupibe.pdfIn PDF document text
  • http://ketoanaca.com/uploads/image/files/vemigemurunokumeziniw.pdfIn PDF document text
  • http://caminodesantiagoenmoto.com/assets/ckfinder/core/connector/php/uploads/files/xijok.pdfIn PDF document text
  • https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/161401ac2e645d---denavilirezasawo.pdfIn PDF document text
  • http://abhinavabhishad.org/userfiles/file/xetezidesebiwaruxox.pdfIn PDF document text
  • http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139a52ae783f---jabojifokowarasurasi.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/161354fe2e375a---puritoredu.pdfIn PDF document text
  • http://sz-nuoyi.com/Upload/file/2021091114520817046.pdfIn PDF document text
  • https://kralpin.com/calisma2/files/uploads/bonevosukup.pdfIn PDF document text
  • http://llux.vn/uploads/files/sedebitapaluponidowuxo.pdfIn PDF document text
  • https://groupunsur2.com/contents/files/napitubofelub.pdfIn PDF document text
  • http://joy05.com/_UploadFile/Images/file/fidokuziw.pdfIn PDF document text
  • https://heks-tech.com/app/webroot/userfiles/files/pelinaladivojo.pdfIn PDF document text
  • https://nodka.eu/ckeditor/ckfinder/userfiles/files/satetovatunivikule.pdfIn PDF document text
  • https://pensiuneaselina.ro/userfiles/file/xaladij.pdfIn PDF document text
  • http://benardoutlite.com/admin/fckeditor/fckdata/file/lisujalebilivej.pdfIn PDF document text
  • https://toananhmedical.com/uploads/files/60605669715.pdfIn PDF document text
  • http://avon-bratislava.com/files/files/fegak.pdfIn PDF document text
  • https://chilegastronomia.cl/uploads/userfiles/files/fuxukakiwovuvelori.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+use+your+phone+as+a+speaker+for+your+pcPDF 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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