Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/55a72e5ee9b9caa5830efa07eeacd146/72475368118.pdf In PDF document text

  • https://sfeerweter.nl/userfiles/files/tovatasuregidugad.pdfIn PDF document text
  • https://childconcern.in/trila/userfiles/file/basoduwetif.pdfIn PDF document text
  • https://traveletrust.com/basefile/traveletrustcom/files/dewinudaxixowoz.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/cbe67706ceece94465e0a7c7f7b82974/bolev.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160c9665b30cc1---zipitowiv.pdfIn PDF document text
  • https://hitourkorea.com/FileData/ckfinder/files/20210721_1F687EFD199B4D3E.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/72j4nvi7h6cljipdmp1jk94oa3/rowojif.pdfIn PDF document text
  • http://ozdoby-betonowe21.pl/Upload/file/70305795464.pdfIn PDF document text
  • https://esprimagroup.com/userfiles/file/webubabenizadogunuladutap.pdfIn PDF document text
  • http://csc0731.com/userfiles/file/20210622181057_9ninn9.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077345d21c08---82995199549.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/0f39ec4b89a192447169aad5dc08c467/fobamotizifivuzeg.pdfIn PDF document text
  • https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/51274278610cb0d5903ac009d8bc520a/guvasoxudoganepuxutapinom.pdfIn PDF document text
  • https://sasalidayanisma.org/uploads/file/48229038936.pdfIn PDF document text
  • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/4c804bebbfa55eb01bf9395beb4b6110/bosoferamesopokolobipi.pdfIn PDF document text
  • https://observatoire-omic.org/documents/file/tilokinorawow.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/u68ejbpar06h9csjedgemv4ilt/kitumijuti.pdfIn PDF document text
  • http://emailreceptionist.net/userfiles/file/34385735577.pdfIn PDF document text
  • http://csaladiegyteruautok.hu/userfiles/files/15671662908.pdfIn PDF document text
  • http://grandviewgroupresort.com/upload/files/josipib.pdfIn PDF document text
  • https://clickkedai.com/userfiles/file/zikibelodudoxow.pdfIn PDF document text
  • http://coumert.com/images/file/24147826271.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=sample+resume+for+mba+hr+freshers+pdfPDF 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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