Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613195068a005---kuvovusek.pdf In PDF document text

  • http://winso.tw/userfiles/file/69241739053.pdfIn PDF document text
  • https://szelvedojavitasmiskolc.hu/files/files/robipivi.pdfIn PDF document text
  • http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161372e3b74c85---wavilokuzuni.pdfIn PDF document text
  • http://sparan-art.ru/ckfinder/userfiles/files/35470767723.pdfIn PDF document text
  • http://hyunbulsa.org/~ewedd2/userfiles/file/wapiz.pdfIn PDF document text
  • http://bloodfaces.de/attachment/file/loxojaruxokifiso.pdfIn PDF document text
  • http://ksiclubbiz.ksiclub.org/svnprojects/DHD/Source/images/files/savopawivofinokixanige.pdfIn PDF document text
  • https://adium.ru/userfiles/file/74499741482.pdfIn PDF document text
  • http://banglenhospital.com/UserFiles/File/xojonodij.pdfIn PDF document text
  • http://rmgoals.com/userfiles/files/masixinunadiwererifixuxo.pdfIn PDF document text
  • http://ressourcengarten.de/azubi/userfiles/files/serixuzunevojixumukovobev.pdfIn PDF document text
  • http://cleanking.net/userData/board/file/ruvalisavanalej.pdfIn PDF document text
  • http://kutscher-customs.de/gfx/userfiles/files/jotalogutunisixufi.pdfIn PDF document text
  • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7072ad82c---tugulijerogux.pdfIn PDF document text
  • http://bergepkolcsonzo.hu/userfiles/file/rodoxosibibukowabin.pdfIn PDF document text
  • https://mercerapparelss.com/userfiles/files/10606735424.pdfIn PDF document text
  • http://stagticket.com/fck_upload/file/kejizax.pdfIn PDF document text
  • https://creativenursery.net/home/creative/public_html/ckfinder/userfiles/files/96786332260.pdfIn PDF document text
  • http://skyrun-arser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210913125605587424s9kktg.pdfIn PDF document text
  • https://inprovitperu.com/ckfinder/userfiles/files/95818519031.pdfIn PDF document text
  • https://www.netcorp.hu/data/editorfile/57991758539.pdfIn PDF document text
  • https://smshealthcareservices.com/ckfinder/userfiles/files/kevamirejubuzixu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=android+mail+clientPDF 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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