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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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 https://smidgel.ru/uplcv?utm_term=chrome+go+to+previous+tab PDF link annotation

  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/ce2605279fe3326fe6d97c14ed4aec45/vugoneduloparosano.pdfIn PDF document text
  • http://cbgnfinance.com/userfiles/file/dujimarimafagesaji.pdfIn PDF document text
  • http://harringtonassociateslaw.com/Test/JabzMedicalBillingService/userfiles/file/977804715.pdfIn PDF document text
  • http://rc-mst.com/mst/_upload/files/26078570660.pdfIn PDF document text
  • http://jvcc.cn/ckfinder/userfiles/files/2109102148310202428xvp2.pdfIn PDF document text
  • https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/a74b2520234465f408b6dda045962ca8/najifodetojuzefilekofu.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/97g7ncgmh9m10lmu2j0iqbq6fu/gujajidepudij.pdfIn PDF document text
  • https://palezieux.com/ckfinder/userfiles/files/91949104445.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/161322fa9bfd1c---72264737444.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/9540f0b56ed8eb65eb9a260b1c0af2b4/70811504921.pdfIn PDF document text
  • https://e-ssuances.com/ckfinder/userfiles/files/loxilorojuxofituzusurogu.pdfIn PDF document text
  • https://theelementrama9.com/userfiles/files/53438312548.pdfIn PDF document text
  • http://stluciachamber.org/uploadedImages/contentImg/file/sasafuxejananikixitajebiz.pdfIn PDF document text
  • http://clickvay.com/upload/files/dojigewininoropipawiwuxo.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613526e80411b---bagusigegatimimaf.pdfIn PDF document text
  • https://vadihosting.com/calisma2/files/uploads/64091557573.pdfIn PDF document text
  • https://tjp2-hotlink-j3t.com/contents/files/91614773851.pdfIn PDF document text
  • http://everintelconsulting.com/upload/file/202109081916468824.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16131da2ba2f31---fakogixisugoroxi.pdfIn PDF document text
  • http://konferencii.org/js/ckfinder/userfiles/files/87945891528.pdfIn PDF document text
  • http://fk-fudosan.1nino3.com/app/webroot/img/userfiles/files/65353665867.pdfIn PDF document text
  • http://etcpremium.com/userfiles/files/91681578356.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/3b1gmv89ppoq8b5c12ahu798q1/faferiwuvowesid.pdfIn PDF document text
  • 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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