Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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 http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610579785442c---resuzozanowusiboxevilok.pdf In PDF document text

  • http://www.nbc.com.vn/ckfinder/userfiles/files/4074911502.pdfIn PDF document text
  • https://angel-juicer.com/FileData/ckfinder/files/20210619_5E2A8614236FAB6D.pdfIn PDF document text
  • https://basisnomor.com/contents//files/weraben.pdfIn PDF document text
  • http://centralcogtc.com/uploads/file/sepimaguwogavagu.pdfIn PDF document text
  • http://oumkua.com/userfiles/file/sijowaxiva.pdfIn PDF document text
  • http://musikpark-live.de/userfiles/file/roxevivexufuz.pdfIn PDF document text
  • http://pttaccounting.com/userfiles/files/1898704827.pdfIn PDF document text
  • https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/4iettjjctktefafu1m4ktvg0ks/27443714154.pdfIn PDF document text
  • http://slkuang.com/v15/Upload/file/20218231526297436.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bee9bec32b2---raxuwami.pdfIn PDF document text
  • https://familienarbeit3plus.ch/userfiles/files/23011763064.pdfIn PDF document text
  • https://edarky.net/data/file/wukafodiletedekewavananap.pdfIn PDF document text
  • http://carriewoodfamily.com/clients/5/5b/5b9f2fb360c4065436fb7fe1267c3612/File/bupawuvodazakabikere.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/5dd4513a9ae96afbeded09dbbccc8f48/xufavorimox.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cdcf1beb31b---pimalojipolutujefoko.pdfIn PDF document text
  • https://totalmediasolutions.ae/ckfinder/userfiles/files/93730687985.pdfIn PDF document text
  • http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/u4pm2u746u4phsq4s5ta3s1hl0/dimeloxovikalidinexe.pdfIn PDF document text
  • http://blevy.com/ckfinder/userfiles/files/pozubonut.pdfIn PDF document text
  • http://cisseo.net/userfiles/files/82752057355.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/850f033a6de7e5b3b6a4d30549ff8ba5/67753664491.pdfIn PDF document text
  • https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/ohgn94sarlc5l1plbcma0jolso/28338412455.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=tratamiento+para+candidiasis+bucal+pdfPDF link annotation
  • http://www.cst.rnu.tn/js/ckfinder/userfiles/files/vogimufedi.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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