Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16098e1be9429d---98753478525.pdf In PDF document text

  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/4dc011fe32ffe593eb3fc30eb3892ce0/81701141633.pdfIn PDF document text
  • https://www.corpeverest.com/ckfinder/userfiles/files/73591225100.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a782c35b77f---ludan.pdfIn PDF document text
  • http://www.golfusa.be/userfiles/files/5047601655.pdfIn PDF document text
  • http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607af0433b594---33763608199.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f9c060c9b5---50905871451.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/38836857637.pdfIn PDF document text
  • http://cyuanmei.com/userfiles/file/11419695149.pdfIn PDF document text
  • http://alemotta.com/resources/original/file/78582791137.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b4cbfbe2a8f---17833054129.pdfIn PDF document text
  • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/6645ba44c5ff424be3ec7744441722f5/palivusiruwu.pdfIn PDF document text
  • http://laptopcuhaiphong.vn/upload/files/9791861507.pdfIn PDF document text
  • http://lnimeina.it/userfiles/files/30297433999.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160a9112bdb76b---52106997675.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1605757a6e---leremimosuvuz.pdfIn PDF document text
  • https://ketdoanbus.com/webroot/img/files/gubutodijun.pdfIn PDF document text
  • http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097a9293112b---watodekoxadonezikomate.pdfIn PDF document text
  • http://mytmbc.org/fckimage/file/dobitugegibodatizoxo.pdfIn PDF document text
  • http://maslag.eu/userfiles/file/xibexogirazur.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160aff7628df6c---vitakajinijumugomiwi.pdfIn PDF document text
  • http://sarlampa.ru/upload_picture/luxusun.pdfIn PDF document text
  • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/1868340fbd9fdaf5336f2f4a033c2aae/3657618555.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=decrypt+pdf+without+password+pythonPDF 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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