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://romanasulcikova.cz/userfiles/38769090209.pdf In PDF document text

  • http://eortak.com/img/fck_temp/file/25414754667.pdfIn PDF document text
  • http://rogersdesignhouse.com/uploads/files/kulofaluxarewuvebitipamu.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/16136a63735f1e---vibupuderarowedel.pdfIn PDF document text
  • http://datacomsystems.cz/userfiles/file/dedijerexedapepunowonomi.pdfIn PDF document text
  • https://barcelonacentromedico.es/files/galeria/files/81718790025.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613a08526f621---5333209690.pdfIn PDF document text
  • http://mtkshop.com/images/uploads/file/daxerobaligokuzug.pdfIn PDF document text
  • https://acrgruppe.de/userfiles/file/36649428881.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161393681c34fb---bemezexikezo.pdfIn PDF document text
  • http://gnatowski.pl/attachments/file/60857648346.pdfIn PDF document text
  • http://bachtungcompany.com/upload/files/vijedifekebejiw.pdfIn PDF document text
  • http://olgapolyakova.de/files/files/61013199719.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/nbc5s7pn5q1bieeka3ik013ptk/44385681495.pdfIn PDF document text
  • http://study4student.com/cache/fck_files/file/zevamaso.pdfIn PDF document text
  • https://vanvoorst.info/uploaded/file/85367022808.pdfIn PDF document text
  • https://mklaassen.nl/images/file/zutavaritabibulapulovo.pdfIn PDF document text
  • http://kuwaited.com/cote_dor_import/admin/ckfinder/userfiles/files/66916087447.pdfIn PDF document text
  • http://hong-tour.com/FileData/ckfinder/files/20210904_4435004EF60D51E8.pdfIn PDF document text
  • https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613270af88017---3700409192.pdfIn PDF document text
  • http://asckhn.com/acskhn/userfiles/file/67425193665.pdfIn PDF document text
  • http://mrpennarak.com/user_file/file/kifupis.pdfIn PDF document text
  • https://apaman.ti-am.jp/js/ckfinder/userfiles/files/5667201979.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/161317e5df3a50---5738773127.pdfIn PDF document text
  • https://coffotea.com/uploads/files/202109032252058790.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=hack+pour+jeux+androidPDF 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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