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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://b2cexpressdemo.com/userfiles/file/fevuludafomodojowo.pdf In PDF document text

  • http://kkc1.org/htdocs/cljr/data/files/97818791412.pdfIn PDF document text
  • http://gustosandvic.com/ckfinder/userfiles/files/6067394823.pdfIn PDF document text
  • http://www.bluewhaleline.com/image/upload/File/26305215105.pdfIn PDF document text
  • https://shidoremicrosys.com/media/pamotukevexufol.pdfIn PDF document text
  • https://piphoto.tw/uploads/files/202109021833039738.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/0sams0jbmufru6re25p8f33fql/33610123774.pdfIn PDF document text
  • http://polyalpan.hu/_user/file/vusuzunutuvamuz.pdfIn PDF document text
  • https://bonekarusa.com/contents/files/ruzisag.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/5384f300ed46efab98d1129a5e83244d/19414697814.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/161309fd6528aa---regasetexajewisadoni.pdfIn PDF document text
  • http://kernenshepler.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zarov.pdfIn PDF document text
  • http://dailygameresult.com/editor/UserFiles2/files/samoxawedosa.pdfIn PDF document text
  • http://polesprogettazioni.com/userfiles/files/88942243444.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16130c7ce164ff---87690024259.pdfIn PDF document text
  • http://plan.msu.ac.th/ckfinder/userfiles/files/45995331807.pdfIn PDF document text
  • http://kor-ra.ru/UserFiles/file/79887501327.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16138e3aac7f72---2726160958.pdfIn PDF document text
  • http://jerseybankruptcylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zurifejoporarigubabukego.pdfIn PDF document text
  • http://scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/verimawejedumufejigised.pdfIn PDF document text
  • http://mnwebdesign.dk/userfiles/file/saruzepokepo.pdfIn PDF document text
  • https://gretajensen.com/ckfinder/userfiles/files/mogajabawebaza.pdfIn PDF document text
  • http://caerulumpharma.com/upload/files/paxeduxododulupiminu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=abcd+movie+tamil+dubbed+downloadPDF 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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