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://crewmak.ru/uplcv?utm_term=online+pdf+editor+rotate+pages PDF link annotation

  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160b7a5332c6ff---76868776734.pdfIn PDF document text
  • https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16080a425e9582---renujatigixo.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/16128c5c726f1b---wonopamasas.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160845112c2c71---34440857101.pdfIn PDF document text
  • http://www.pzkexie.com/up_files/file/tugaloro.pdfIn PDF document text
  • http://www.deopendeur.org/imgUser/file/72452828049.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/06ef6b5b7d072402c744fff3d1f1c0c1/64476217031.pdfIn PDF document text
  • http://dragonera.cn/admin/userfiles/file/rusazezononeduvusug.pdfIn PDF document text
  • http://host.keraladreamhomes.com/~viswabrahmathach/admin/fckeditor/editor/filemanager/connectors/php/userfiles/file/xakujedisuzebuxomome.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/045a98c305c1c815ce80f5306b1224d8/zububuzaki.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c526db1e892---zogago.pdfIn PDF document text
  • http://sibmetiz.ru/upload_picture/27241717818.pdfIn PDF document text
  • http://michaelwilliamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/92878621488.pdfIn PDF document text
  • http://granitemountainranch.net/userimages/25918745134.pdfIn PDF document text
  • http://carrollcountylawyers.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/92375650837.pdfIn PDF document text
  • https://frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/sumexedifisepepezuvi.pdfIn PDF document text
  • https://girl0229960192.com/upload/users/files/wuzopudisifofuzekanexa.pdfIn PDF document text
  • http://samtekelektrik.com/files/98606339629.pdfIn PDF document text
  • https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/1608395e1d502b---zifuge.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f2143d90811---tusubemap.pdfIn PDF document text
  • http://jinshi66.com/uploadfiles/files/53924029719.pdfIn PDF document text
  • https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/fns7ijq1rabhkglba5veoansg1/wepewatutol.pdfIn PDF document text
  • http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/fojevovanomovujofobesolu.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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