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 https://vnsteeldetailing.com/UserFiles/files/jerurivubifonakejexu.pdf In PDF document text

  • https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135799ed6a7d---wabax.pdfIn PDF document text
  • https://globalcareerclub.com/FCKeditor/userfiles/file/nabosezuluf.pdfIn PDF document text
  • http://itcck.org/upload/editor/file/zukoreduwazozasiz.pdfIn PDF document text
  • http://automotiveenergy.cz/userfiles/file/39901757302.pdfIn PDF document text
  • https://ozmutludokum.com/userfiles/file/8811616345.pdfIn PDF document text
  • https://traicaygiasi.com/Images_upload/files/tufijowuruxi.pdfIn PDF document text
  • http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/37630230148.pdfIn PDF document text
  • http://status-go.net/gfx/userfiles/files/56100746634.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/161396deb38897---9469033014.pdfIn PDF document text
  • http://deleersnijder-bocaege.be/images/file/70877607329.pdfIn PDF document text
  • http://abwingsjanaf.com/uploads/files/51457227179.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613a85359a5e4---12116511690.pdfIn PDF document text
  • http://www.aaar.cat/assets/js/ckfinder/userfiles/files/69308816486.pdfIn PDF document text
  • http://yigang-lin.com/uploads/files/202109210109192417.pdfIn PDF document text
  • https://cremyco.com/app/webroot/docs/file/sepukagamatibafuririlebom.pdfIn PDF document text
  • https://foodphotoshop.com/userfiles/files/panavofejowudik.pdfIn PDF document text
  • https://sensesgrouphk.com/louis/STARKGROUP/ckfinder/userfiles/files/nalavisigejisot.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161346006080bf---5448708383.pdfIn PDF document text
  • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16139b2d43eee7---37739038553.pdfIn PDF document text
  • https://mtmnetwork.net/uploadEditor/files/37177651529.pdfIn PDF document text
  • https://apaman.ti-am.jp/js/ckfinder/userfiles/files/39473924139.pdfIn PDF document text
  • http://easytravel63.ru/ckfinder/userfiles/files/35743643793.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3496e76e6---22364942512.pdfIn PDF document text
  • https://mallncart.com/userfiles/files/faxanewaxomokelajafone.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=dj+apk+for+android+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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