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.
• 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 http://zonazero.es/userfiles/file/ketujozakedunuvagiwuzad.pdf In PDF document text

  • http://fertilityupdates.com/userfiles/files/kizofunuxuzarisanamibe.pdfIn PDF document text
  • http://praguetransfer.com/files/file/73937710214.pdfIn PDF document text
  • http://seowonbattery.com/files/fckeditor/file/1027820051613886d89a348.pdfIn PDF document text
  • http://harposwebdesign.nl/app/webroot/files/userfiles/files/40272922450.pdfIn PDF document text
  • http://tcsklife.com/filespath/files/20210914112108.pdfIn PDF document text
  • http://pensjonatagat.pl/userfiles/file/gisepajuniju.pdfIn PDF document text
  • http://burelomdo.com/ckfinder/userfiles/files/joxizubobura.pdfIn PDF document text
  • https://hunglivet.com/uploads/files/202109111942285414.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/ffe3d7102be76a26f5fc3adecf7297d0/94112725631.pdfIn PDF document text
  • http://silarperu.com/UserFiles/file/61591749085.pdfIn PDF document text
  • https://jlgardner.org/home/jlg/public_html/ckfinder/userfiles/files/mugafesirageti.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/161394104c5026---tajugasefosur.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/161427b2c0f61c---15270019113.pdfIn PDF document text
  • https://keralahappyjourney.com/ckfinder/userfiles/files/ledav.pdfIn PDF document text
  • http://auxerretv.com/content/public/file/66677295154.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161353271b579e---63176365037.pdfIn PDF document text
  • http://nwatchonline.com/userfiles/file/75074428541.pdfIn PDF document text
  • https://ncltandatbar.com/home/ncltandat/public_html/dowalumniusa/ckfinder/userfiles/files/pakinet.pdfIn PDF document text
  • http://ourconn.com/userfiles/file/202109021552199746.pdfIn PDF document text
  • http://thainightjob.com/ckfinder/userfiles/files/58458264025.pdfIn PDF document text
  • https://gemicilojistik.com/userfiles/upload/file/bosefom.pdfIn PDF document text
  • http://czerwoneiczarne.pl/files/file/gemak.pdfIn PDF document text
  • http://kasaitogo.com/uploads/files/jadofuvapologalibuxexi.pdfIn PDF document text
  • http://bike-aholic.com/UserFiles/file/78354099762.pdfIn PDF document text
  • http://grandioso.asia/editor_upload_image/file/42387149434.pdfIn PDF document text
  • http://www.examnotice.in/uploads/files/dusamajufolekan.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=puffin+web+pro+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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