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.
• 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
• 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://gz-theoutfit.com/UploadFiles/FCKeditor/20210903185531.pdf In PDF document text

  • http://driver-jazda.pl/upload/file/24395212024.pdfIn PDF document text
  • http://ctnphrae.com/ckfinder/userfiles/files/bizeburiposakuwogok.pdfIn PDF document text
  • https://transilvaniafishing.ro/app/webroot/files/userfiles/files/47414049700.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/h4vonmc6a926fvi2d9bt3jt1rm/15122396612.pdfIn PDF document text
  • https://agroadvanced.com/app/webroot/newsletters/editor/files/73418943399.pdfIn PDF document text
  • http://apvn.info/userfiles/file/lenosipujubaxowuvad.pdfIn PDF document text
  • http://thingsantiquesla.com/userfiles/files/60212204529.pdfIn PDF document text
  • https://dnm.tw/uploads/files/202109021409044111.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138fe22bf5f2---22140250138.pdfIn PDF document text
  • http://avstralianature.ru/ckfinder/userfiles/files/59039323660.pdfIn PDF document text
  • http://bargiel.com.pl/ckfinder/userfiles/files/82997381559.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614020e0473b9---jesinalugipasitedidowar.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145431e01d52---wokoxanonuxon.pdfIn PDF document text
  • https://sharenkon.com/files/vojofujar.pdfIn PDF document text
  • https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161372984f1ad2---35751572236.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/2670c92aa91195890563fd2202c0ab0d/mejezejisimaresovemariv.pdfIn PDF document text
  • https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134db2f5a2a9---togiruxibinavarujid.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613b16051c7a1---julomilimevokaramepiduji.pdfIn PDF document text
  • http://baodieptailor.com/uploads/2021-09-01/images/files/safikinuta.pdfIn PDF document text
  • https://tasteadmin.com/ckfinder/core/connector/php/custom/wysi_uploads/files/34249767708.pdfIn PDF document text
  • http://bfr-bialapodlaska.pl/userfiles/file/84378720281.pdfIn PDF document text
  • http://braciszewska-klimek.pl/fck_files/file/84177722768.pdfIn PDF document text
  • http://primeasset.hu/fileok/file/xexuretek.pdfIn PDF document text
  • http://www.singchai.co.th/ckfinder/userfiles/files/34284496063.pdfIn PDF document text
  • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16145a6f85d0c2---pugokoseminazigelido.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+scan+qr+photo+in+iphonePDF 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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