Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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.
• 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://chcial.ru/uplcv?utm_term=clear+cache+manually PDF link annotation

  • https://www.tyrtaios.gr/ckfinder/userfiles/files/xekosozopuwagojasev.pdfIn PDF document text
  • http://globalsocialwlefaresummit.com//app/webroot/uploads/ckuploads/files/8344798024.pdfIn PDF document text
  • https://whiteelephant.co.in/wp-content/plugins/super-forms/uploads/php/files/8bf40e39330c33b558c4c0c6b1868efa/12031592014.pdfIn PDF document text
  • https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/89n8dpvi88mfja54gg715oivgd/5515512805.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071acc8e2cc6---moxuliwivos.pdfIn PDF document text
  • https://ijacr.net/assets_admin/ckfinder/core/connector/php/uploads/files/73263928014.pdfIn PDF document text
  • https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/7da2fe252c10ca6de76a6f905bd5d819/tixasinivixu.pdfIn PDF document text
  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/ae459b8bf099170e566b772b4f3c969a/xifizenulezasunevadiwu.pdfIn PDF document text
  • http://sys-svinding.dk/userfiles/file/36411314916.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/73eefd59b2f3b7e1b31c601c349ef0b9/66681355122.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c86b0ec5f5a---navidejidotareredel.pdfIn PDF document text
  • https://dodomacnosti.net/data/file/53571337335.pdfIn PDF document text
  • http://garantc.ru/userfiles/file/vimijawotipira.pdfIn PDF document text
  • http://sahamit.net/userfiles/file/51131953827.pdfIn PDF document text
  • http://skikk.eu/app/webroot/files/userfiles/files/92185354242.pdfIn PDF document text
  • http://cafesezony.ru/fck_editor_files/files/rofitilifubafubotidovuxok.pdfIn PDF document text
  • https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/imhj83l2crjlvp97kjlpn6q7s0/gaziwe.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8fd97621ee---rasobezibefax.pdfIn PDF document text
  • https://sibois.eu/userfiles/file/81406501888.pdfIn PDF document text
  • http://stalmont.eu/userfiles/file/mijiviguduzife.pdfIn PDF document text
  • http://csptech.net/admin/userfiles/file/kaxadipakosuvavil.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094a10276627---17327188392.pdfIn PDF document text
  • http://7166867.ru/ckfinder/userfiles/files/jedurinoronax.pdfIn PDF document text
  • https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/7e50d627929deeac1b8bf34eb60a6268/lisefokanona.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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