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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://personal.sut.ac.th/chantira/port/ckfinder/userfiles/files/61774609223.pdf In PDF document text

  • https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/2f64f43e4e07a6c088634154a1b9d2de/9304606575.pdfIn PDF document text
  • https://uslugiinzynierskie.eu/eurostyl/photos/file/71551239090.pdfIn PDF document text
  • https://plasy.com/uploads/file/60464966725.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/e31883722c8ac19d4ba9416cb9e22388/16146923217.pdfIn PDF document text
  • http://odra.cycling-recycling.eu/imgturysta/files/118023276.pdfIn PDF document text
  • http://manchetenewsms.com.br/ckfinder/userfiles/files/pavilipowabasufebosog.pdfIn PDF document text
  • http://axwelindia.com/uploads/33172535488.pdfIn PDF document text
  • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/161362998c09a2---44793878567.pdfIn PDF document text
  • http://metrominicabs.com/survey/userfiles/files/6562052631.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16133268c0ad42---bevinexujemavewuletoru.pdfIn PDF document text
  • http://mdknoodles.co/uploads/files/70952388143.pdfIn PDF document text
  • http://eatoceanic.iorderfoods.com/uploads/files/galisod.pdfIn PDF document text
  • https://www.akilciilacdernegi.com/ckfinder/userfiles/files/sewibiram.pdfIn PDF document text
  • http://fiumaradelsossio.it/userfiles/files/11495198529.pdfIn PDF document text
  • http://lex-ter.ru/admin/ckfinder/userfiles/files/gajurokituk.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613354a64b3a6---gonopoletibuzok.pdfIn PDF document text
  • http://irpuyesh.com/cache/fck_files/file/8945991552.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/161301bf9ebfd8---21471116220.pdfIn PDF document text
  • http://narnivet.com/userfiles/files/3629857068.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136813685d33---22249471065.pdfIn PDF document text
  • https://jairdefreitas.com/ckfinder/userfiles/files/25463213188.pdfIn PDF document text
  • http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/tiseki.pdfIn PDF document text
  • https://jager-ig.tw/up_photo/file/63376245777.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=can+you+unzip+a+file+on+androidPDF 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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