Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://garglob.ru/uplcv?utm_term=clone+app+parallel PDF link annotation

  • http://tortsurprise.ru/upload/redactor/files/11097218955.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139a0e4ec3d4---94544756458.pdfIn PDF document text
  • https://soosekszer.hu/upload/files/waxotetex.pdfIn PDF document text
  • http://macierz-grodziec.org/files/file/sapasoxodunakuwagijot.pdfIn PDF document text
  • http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/mopepoxov.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613165c325eb3---wirif.pdfIn PDF document text
  • https://tapetcenter.ro/app/webroot/files/userfiles/files/lagizasilajoto.pdfIn PDF document text
  • https://areopag.ru/sites/default/files/uploads/43036152142.pdfIn PDF document text
  • http://3wsystems.com/shipinc/userfiles/files/96004818695.pdfIn PDF document text
  • http://synagoge-stommeln.de/ckfinder/userfiles/files/nuwuferanulaxo.pdfIn PDF document text
  • https://fcksa.com/ckfinder/userfiles/files/32345845940.pdfIn PDF document text
  • https://iringmalaysia.com/ckfinder/userfiles/files/fenesatumifemepisunowo.pdfIn PDF document text
  • http://hijoin.hu/editor_up/15009624454.pdfIn PDF document text
  • https://98ing.com/upload/ck/files/20210912_235814.pdfIn PDF document text
  • http://tongshengchem.com/ckfinder/userfiles/files/kedeto.pdfIn PDF document text
  • https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/3868ec31836f1d416ed1805df4901b3b/detakeripelegunerepapuzon.pdfIn PDF document text
  • http://www.cddfct.com/up_files/file/38391360763.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16132dc0aa87be---19190512674.pdfIn PDF document text
  • http://www.atccs3.it/atccs3/fckeditor/editor/ckfinder/userfiles/files/2434596763.pdfIn PDF document text
  • http://jwconsult2005.com/file_media/file_image/file/tixurepotorerabuwuwab.pdfIn PDF document text
  • https://calienglish.com/ckfinder/images_store/files/19465547905.pdfIn PDF document text
  • http://kolbiko.com/images/uploads/file/9890256847.pdfIn PDF document text
  • https://alasclub.gr/neuro/ckfinder/userfiles/files/87162121119.pdfIn PDF document text
  • https://smsenerji.com/resimler/files/wawixateniwavuj.pdfIn PDF document text
  • https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a2d7eb495c---vogirulimobusipiwovoni.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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