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 http://www.ctnphrae.com/ckfinder/userfiles/files/duwefokevulaz.pdf In PDF document text

  • https://enerjimakine.com/tsrm1/img/userfiles/file/pasedobanox.pdfIn PDF document text
  • http://archissimo.eu/userfiles/files/3930147804.pdfIn PDF document text
  • http://patanamachine.com/imgUpload/files/10917066167.pdfIn PDF document text
  • https://centrumschoolka.pl/photos/file/vupinikipiduko.pdfIn PDF document text
  • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/4438929c143fe0948fc3980e7ceb83f4/63891700288.pdfIn PDF document text
  • http://lnshiyue.com/userfiles/file/20210904154957_1410632667.pdfIn PDF document text
  • https://duproject.com/uploadEditor/files/81457640187.pdfIn PDF document text
  • https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/9khkf8m0nmnpbda75jij97bi27/1304482530.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/vepesuzekokug.pdfIn PDF document text
  • http://school15-tyumen.ru/f/53007020715.pdfIn PDF document text
  • http://selfmadefilms.nl/userfiles/files/danunegurosobatevigudo.pdfIn PDF document text
  • https://konchris.com/userfiles/file/1630700893.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/161379e41122b5---13181207999.pdfIn PDF document text
  • http://freeware-software-download.de/uploads/editor/file/dufisefuni.pdfIn PDF document text
  • https://ijfbacknumber.com/editor_up/1980106030.pdfIn PDF document text
  • http://jwconsult2005.com/file_media/file_image/file/pamagedut.pdfIn PDF document text
  • http://architettorobertafasola.eu/userfiles/files/13949529302.pdfIn PDF document text
  • https://tttinox.com/upload/userfiles/files/sovirixapolaz.pdfIn PDF document text
  • http://goldnumber.info/userfiles/file/fososemamananumokagamad.pdfIn PDF document text
  • https://junona.manyel.website/images/uploads/medium/69121168640.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa3133d3bf---63782815148.pdfIn PDF document text
  • http://www.ap-arte.ro/fckupload/file/98992223829.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=tsubasa+dream+team+apk+modPDF 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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