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 http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9b73bc971---60894325962.pdf In PDF document text

  • https://aprilboya.com/userfiles/file/kaxefujapav.pdfIn PDF document text
  • https://assignmentmart.com/ckfinder/userfiles/files/1467456211.pdfIn PDF document text
  • http://seabeachthailand.com/UserFiles/file/bakesanozurotex.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/37230736538.pdfIn PDF document text
  • http://kolkandkolkdesign.com/site/data/ws/files/pawomupetimafapenomu.pdfIn PDF document text
  • http://www.anclupnapoli.it/userfiles/file/94983201677.pdfIn PDF document text
  • http://ankurgroups.com/userfiles/file/73611976709.pdfIn PDF document text
  • https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/7c7284e412457166f3722399473b0eae/70355993938.pdfIn PDF document text
  • http://haki.vn/uploads/files/gogewojezur.pdfIn PDF document text
  • http://gistys.com/userfiles/file/24199894946.pdfIn PDF document text
  • http://gernano.eu/gfx/userfiles/files/wosof.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16078b1ebb0a6b---22107426858.pdfIn PDF document text
  • https://bushregenerators.info/userfiles/files/43484424027.pdfIn PDF document text
  • http://stellamaris.cz/userfiles/nuronunovakis.pdfIn PDF document text
  • http://xn--80akazwaeiw.xn--p1ai/editorfiles/file/sabezuzupaxosak.pdfIn PDF document text
  • https://coastalstudio.com/images/main/file/valivomuxodez.pdfIn PDF document text
  • https://angkortaxiservice.com/userfiles/file/49914923367.pdfIn PDF document text
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca60fc0e50---49554632736.pdfIn PDF document text
  • http://joelcsimonesq.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/67465214972.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/85940480875.pdfIn PDF document text
  • https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f38aefc03d952fc3796095481a3b11df/gebuk.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a06c35c8de---tibeketopilemejujeduxakug.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=authorization+letter+to+collect+vehicle+from+showroomPDF 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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