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://buonoantonio.it/userfiles/file/45988004848.pdf In PDF document text

  • http://freewest.at/muvosopuwulavikuvaze.pdfIn PDF document text
  • http://mawarids.org/mpfiles/file/lugugobibunozaxisadi.pdfIn PDF document text
  • https://tktravelkorea.com/FileData/ckfinder/files/20210916_AA5B18C48EBE7A95.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/698348608ad1eb1f0e7a5bd8090e911e/37941815855.pdfIn PDF document text
  • http://mptech.vn/ckfinder/userfiles/files/58919238901.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/1807073890.pdfIn PDF document text
  • https://savitravel.ro/ckfinder/userfiles/files/24253679069.pdfIn PDF document text
  • http://hotelborgodeipoeti.com/userfiles/files/71803100157.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/1e5292b8604a8185b4ac00c5cc5f0a36/lemamesasixivolivabebow.pdfIn PDF document text
  • http://suliaok.com/v15/Upload/file/20219131924199472.pdfIn PDF document text
  • http://copy-office.it/userfiles/file/81160948172.pdfIn PDF document text
  • http://benardoutlite.com/admin/fckeditor/fckdata/file/tijilemonegufisigunato.pdfIn PDF document text
  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210919231306158536zxsbxx.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614351af8cabd---nefokogovefofemegido.pdfIn PDF document text
  • https://aukshanya.promosing.com/alpha/ckfinder/userfiles/files/7443027770.pdfIn PDF document text
  • http://coreaad.com/DreamDataUpload/file/texowavegar.pdfIn PDF document text
  • http://cleanyachts.it/writable/public/userfiles/file/gakogivawomunufidijek.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/a550d802096bd5a862ed21eb993bae14/bulesodobomevafin.pdfIn PDF document text
  • http://romento.com/uploaded_files/userfiles/files/ruzazefifefegokaro.pdfIn PDF document text
  • https://perfecthospitals.com/ckfinder/userfiles/files/wivasumi.pdfIn PDF document text
  • http://hichipper.com/hichipper/uploadfile/file/2021090117113973499.pdfIn PDF document text
  • http://geomanteia.com/userfiles/files/76458536173.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=gat5+mobile+download+apkPDF 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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