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.
• 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.
• 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://inwebjor.ru/uplcv?utm_term=how+to+play+the+casio+keyboard+step+by+step PDF link annotation

  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160f428ad9d3e8---fikimurobo.pdfIn PDF document text
  • http://vdadanang.vn/app/webroot/assets/files/rikuvavorelixi.pdfIn PDF document text
  • https://tatsolarlight.com/uploads/files/59755823764.pdfIn PDF document text
  • http://epoch-making.jp/js/upload/files/nunapofejamufa.pdfIn PDF document text
  • https://argumentua.com/i/file/13105428226.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf97e608fa---wevariladetivizi.pdfIn PDF document text
  • http://schodylux.pl/userfiles/file/42044521663.pdfIn PDF document text
  • http://perfekttorun.pl/pliki/66760555707.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608663439dd94---31413835797.pdfIn PDF document text
  • http://wernersuarez.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pudonamezituku.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/f9ea9198ade2240a39aaa46375017bec/95318575787.pdfIn PDF document text
  • http://longarmquiltacademy.net/fckeditor/userfiles/file/91965098693.pdfIn PDF document text
  • https://tungafilm.com/dorceiys/ckfinder/userfiles/files/rovanapijad.pdfIn PDF document text
  • https://asiquim.com/ckfinder/userfiles/files/33358938166.pdfIn PDF document text
  • http://xn--o79av69abka850ab6c.com/upload/file/202108051827536026.pdfIn PDF document text
  • http://tverzhilservis.ru/foktver.ru/ckfinder/userfiles/files/xusakojatedog.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a23297eca43---94065181450.pdfIn PDF document text
  • https://goez3.com/10005001208290177/ckfinder/userfiles/files/60632607878.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608899f0d5f95---94052140591.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c51db4ae09---satofozutuvipotivedoki.pdfIn PDF document text
  • http://1careglobal.com/upload/files/60980687776.pdfIn PDF document text
  • https://learn-atdi.com/uploads/files/ramujojajemo.pdfIn PDF document text
  • http://kengosushionlineorder.com/uploads/files/82166831605.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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