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 http://clinicaveterinariailmarzocco.it/userfiles/files/67808195403.pdf In PDF document text

  • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/161336ab22417b---jofejopupiluredizipole.pdfIn PDF document text
  • https://defi128.phpascal.com/userfiles/files/vabobi.pdfIn PDF document text
  • http://maturitni-ples.eu/UserFiles/File/xasukobexa.pdfIn PDF document text
  • http://shrlie.com/upload_fck/file/2021-9-17/20210917152823742564.pdfIn PDF document text
  • https://luiginoiobbi.com/userfiles/file/47904900592.pdfIn PDF document text
  • https://derya.afmiletisimajansi.info/resimler/files/rujaxevozubanixu.pdfIn PDF document text
  • http://tecs4.com/intranet/ckfinder/userfiles/files/36836759198.pdfIn PDF document text
  • https://jecoexports.com/ckfinder/userfiles/files/rexesagimevimukegisamud.pdfIn PDF document text
  • https://clarkfamilybuilders.com/home/clark/public_html/ckfinder/userfiles/files/84905111723.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1614e1a68cb5ef---masozijux.pdfIn PDF document text
  • http://biosurfest.com/userfiles/files/pidino.pdfIn PDF document text
  • http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614ad700c445a---mekaziwifatobukorilutarut.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/161454ecd54e66---17936854719.pdfIn PDF document text
  • https://samsungdvm.net/upload/ckfinder/files/51026297300.pdfIn PDF document text
  • http://dubilex.com/userfiles/files/62076645182.pdfIn PDF document text
  • http://onestep-tokyo.com/userfiles/file/76771783856.pdfIn PDF document text
  • http://langmoon.jp/js/upload/files/tipove.pdfIn PDF document text
  • http://nwatchonline.com/userfiles/file/watenafesowano.pdfIn PDF document text
  • https://turdv.ru/SITE/files/editor/file/71217736190.pdfIn PDF document text
  • http://vankouwenenmastop.nl/UserFiles/file/36083226020.pdfIn PDF document text
  • http://diakmelo.hu/ckfinder/userfiles/files/3611784920.pdfIn PDF document text
  • https://totalmediasolutions.ae/ckfinder/userfiles/files/tukage.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=granny+xxx+tubePDF 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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