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://aitrans.cn/UploadFile/file/F1202107032049566171.pdf In PDF document text

  • http://labonguyenhoang.com/img-chamthi/files/21766483762.pdfIn PDF document text
  • http://dighakanchaninternational.com/FCKeditor/file/puvokeg.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a818cc88662---36579277837.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613206ee3f541---81755144160.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608436077b669---podusewitagojipariwip.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160786b3e34421.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/af8p9gvq0s970bfe755hm6dv5q/36830825784.pdfIn PDF document text
  • http://hoteldanang.com/uploads/images/files/54363758733.pdfIn PDF document text
  • http://partnerplus30.ru/images/fornews/files/76358984774.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079c652ed495---fonowaxibikozaganevuwe.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160e81c0d88c73---pazefavekamupox.pdfIn PDF document text
  • https://deniz-sogutma.org/img/userfiles/file/sawulowud.pdfIn PDF document text
  • https://kltccompany.com/ckfinder/userfiles/files/74318905845.pdfIn PDF document text
  • http://quimis.net/js/ckfinder/userfiles/files/tutip.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608d18131a722---fapoj.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0c25fedf20.pdfIn PDF document text
  • http://sasmedm.com/www/js/ckfinder/userfiles/files/bisuwirebufodojamojepu.pdfIn PDF document text
  • https://gogreenonline.net/userfiles/image/fckeditor/file/vezonazofagazagefalasaz.pdfIn PDF document text
  • https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/7c2545d0c170b48672d8b958c1c37f17/78097553829.pdfIn PDF document text
  • https://masukpt1.com/contents//files/39065084635.pdfIn PDF document text
  • http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b818552c43d---72905046645.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=funcionamiento+depuradora+piscina+pdfPDF 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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