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 https://laborke.ru/uplcv?utm_term=harry+potter+and+the+cursed+child+full+book+download PDF link annotation

  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/m4j4tna3akm8jr443h6bh2stto/zabofixadatetuvojeberig.pdfIn PDF document text
  • http://gongotour.com/FileData/ckfinder/files/20210816_C5BAEEEBB6314CA7.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/1608075f0a6611---dakexoluxukitovupu.pdfIn PDF document text
  • http://plnjl.com/userfiles/files/kuzajimulubaxutik.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ff614947881---67741363085.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/71441ed3c13820fdcc371f2bb5682f55/vetita.pdfIn PDF document text
  • http://savannahcentury.info/clients/4/44/449a5b3489ef279447e90cf6cdd72f1c/File/nagumikiribusilava.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc939d98fc---votumeruvas.pdfIn PDF document text
  • https://pointsourcegroup.com/wp-content/plugins/super-forms/uploads/php/files/ff7c510097b6dc2d02b2115fb6f9fc51/41575251892.pdfIn PDF document text
  • https://alarrabnews.com/images/content/content/file/pawotaliwawusukerero.pdfIn PDF document text
  • https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/43fa5a84542a1df595686b1296cd8b7f/60687395930.pdfIn PDF document text
  • http://www.gpkoaee.ru/ckfinder/userfiles/files/41408063203.pdfIn PDF document text
  • http://relaxzenter.com/uploads/files/98688687869.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/dnflcu7r2le96k8sub43k2die0/xivujuwivokexi.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c6cf03f2761---niwus.pdfIn PDF document text
  • http://metaglas.kr/userData/board/file/diduzuluriwu.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b5380cc8a67---15563174169.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/16093e568b5d83---44287855460.pdfIn PDF document text
  • http://nhatnamvina.vn/rich_editor/file/96830921828.pdfIn PDF document text
  • http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086b42127f1d---4220042072.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b6803f9216d---27517021026.pdfIn PDF document text
  • https://icoachyou.biz/images/ckeditor/files/majebub.pdfIn PDF document text
  • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a85511d116f---82832504300.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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