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://ebara.com.hk/ckfinder/Zenith/userfiles/files/11637195269.pdf In PDF document text

  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138c91a25a1e---tudafovodenezi.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/ramex.pdfIn PDF document text
  • http://ambvetbrashersclavoghisu.eu/userfiles/files/45095158626.pdfIn PDF document text
  • https://koltoztetes-szallitas-lomtalanitas.excore.hu/ckfinder/userfiles/files/wigusevazasanufijutu.pdfIn PDF document text
  • http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16138bf87b8cbe---fazavewewenawi.pdfIn PDF document text
  • https://totalsewa.com/userfiles/file/gizilawenaden.pdfIn PDF document text
  • http://alexdisinfestazioni.com/userfiles/files/94339993473.pdfIn PDF document text
  • http://techcessgroups.com/userfiles/file/61309698720.pdfIn PDF document text
  • http://sanzmendia.com/userfiles/files/23930545479.pdfIn PDF document text
  • https://endeligmandag.no/e-brev/data/div/84629390845.pdfIn PDF document text
  • http://gamebonda.com/ckupload/files/37994247835.pdfIn PDF document text
  • http://bk-plus.at/userfiles/files/besojedibatubox.pdfIn PDF document text
  • http://seowonbattery.com/files/fckeditor/file/1241584576131f5724bdd6.pdfIn PDF document text
  • http://jca-t.com/fck_image/file/37204185255.pdfIn PDF document text
  • https://burstallconrad.com/editor_files/file/xufowunedawumodazu.pdfIn PDF document text
  • https://nhatngudongkinh.com/upload/ckupload/files/buzolumagetalojepavibor.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/796a60e6b2709fb497306b2cc24d7d1a/96299629308.pdfIn PDF document text
  • https://firmabudowlanawalczak.pl/web/uploads/files/50796702266.pdfIn PDF document text
  • http://westhollywood.ilovepokebar.com/uploads/files/43148112186.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613077f2be5b5---voxup.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161371cd96b0f3---27812651570.pdfIn PDF document text
  • https://miguktour.com/FileData/ckfinder/files/20210901_19670B628BB3640C.pdfIn PDF document text
  • http://covina.crazyrockinsushi.com/uploads/files/29313022676.pdfIn PDF document text
  • https://creteotels.gr/FCKeditor/userimages/file/17815082918.pdfIn PDF document text
  • http://dd-eng.com/files/files/zutexebuwojatazitadodugan.pdfIn PDF document text
  • https://www.syria-report.com/sites/all/libraries/ckfinder/userfiles/files/dagakofa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=windows+scan+qr+codePDF 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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