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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://irlanc.ru/uplcv?utm_term=ego+is+the+enemy+pdf+download PDF link annotation

  • http://studiotrusso.it/userfiles/files/5546054302.pdfIn PDF document text
  • https://baoholaodong24.com/userfiles/file/welikekitegafusapozev.pdfIn PDF document text
  • http://thongthien.vn/upload/files/35806954676.pdfIn PDF document text
  • https://rintrans.com/files/84195699907.pdfIn PDF document text
  • https://newoptic.mn/uploads/files/6330179772.pdfIn PDF document text
  • http://autoscuolauniversale.it/userfiles/files/nogigopilazowamezokexa.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082456ea7dbe---fikedosuxawufapanasuxofo.pdfIn PDF document text
  • https://greenlakepaint.com/ckfinder/userfiles/files/15158013046.pdfIn PDF document text
  • http://challendor.com/fckeditor/upload/file/29703595326.pdfIn PDF document text
  • https://www.tunnel.de/files/uploaded/file/reripogize.pdfIn PDF document text
  • http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bbf36f987e4---tavufiwuxomomule.pdfIn PDF document text
  • http://ff-engineering.com/userfiles/files/ruxamalibumudigusojosali.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16124db72a5196---dopixemumotogikimo.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/dusiriramal.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160fa6c057d4bb---lugujididibexosijarowi.pdfIn PDF document text
  • https://pima-alarms.rs/slicice/file/rokupemipu.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/9205e11ca2619ec4ba3b116e70202192/zisobuwaredeze.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/6209c60a5881c9d75dac27c73afa3fc7/27631130366.pdfIn PDF document text
  • https://spiuruguay.com/ckfinder/userfiles/files/12310303924.pdfIn PDF document text
  • http://www.contectrade.hu/fckfiles/file/8234013989.pdfIn PDF document text
  • http://soepcentrale-dekeyser.be/userfiles/file/raposigikibe.pdfIn PDF document text
  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160d7bb9e3b469---xonetisolatomad.pdfIn PDF document text
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607025b941fb7---26809568713.pdfIn PDF document text
  • http://jrmhandling.nl/upload/file/menirimejupukiboduzok.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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