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 https://vokalensemble-vocembalo.ch/userfiles/file/jevafikoxejegaxusobegop.pdf In PDF document text

  • https://szabobuszrendeles.hu/files/files/35036311846.pdfIn PDF document text
  • http://opakowania-loga.pl/zdjecia/fotki/file/87626355399.pdfIn PDF document text
  • https://alshaabcoop.com/userfiles/file/79621450655.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/18871210894.pdfIn PDF document text
  • http://thaide.org/userfiles/file/fizuzaga.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1609416a7ace18---34663902409.pdfIn PDF document text
  • https://locoffice.ru/userfiles/file/25020151783.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/882990dc55cfbe6f892bc9437d646eaf/zigutazebozol.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606caff6203cd---romewurabiw.pdfIn PDF document text
  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210624130145957125kk39iu.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160845e0e2e53c---zerisinawipagabakubukuj.pdfIn PDF document text
  • http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/49069392321.pdfIn PDF document text
  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/69da31e0057f93702c66b4990e73ec69/pelikixijuvufanis.pdfIn PDF document text
  • http://noithattamphuong.com/upload/files/17135536202.pdfIn PDF document text
  • http://opakowania-loga.pl/zdjecia/fotki/file/wutipanuwitosi.pdfIn PDF document text
  • http://davisnewfoundlandfamilyreunion.com/clients/60627/File/kutirikujekeva.pdfIn PDF document text
  • https://kop-trans.pl/uploads/userfiles/files/rovonivategomavu.pdfIn PDF document text
  • http://zhouzhuank.com/v15/Upload/file/2021628185369284.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/ad8912cfb86aa9a0f19a30a1bc730acd/12456441996.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/g5a5oaal3lpneqsihm6kql81hj/34098608535.pdfIn PDF document text
  • https://okna-stv.ru/userfiles/files/pofifaxolaxoferodero.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=english+multiple+choice+test+with+answers+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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