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://nomylo.ru/uplcv?utm_term=ringtones+for+samsung+android+phones PDF link annotation

  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138f1161c4a6---belivibox.pdfIn PDF document text
  • http://autostyle-japan.com/js/upload/files/fagozosiginoje.pdfIn PDF document text
  • https://esterkins.de/ckfinder/userfiles/files/94724605060.pdfIn PDF document text
  • http://huzatfokozo.hu/editor_up/17458910224.pdfIn PDF document text
  • https://calprin.com/ckfinder/userfiles/files/kubidoko.pdfIn PDF document text
  • http://chinhsuasolieu.com/media/files/82132914458.pdfIn PDF document text
  • http://besteva.com/upload/files/sitedutidijezizadokora.pdfIn PDF document text
  • http://fatename.com/uploads/files/202109010644139383.pdfIn PDF document text
  • http://shepardinteriordesign.com/rw/upload/file/56737083724.pdfIn PDF document text
  • http://tamphuhiep.com/Images_upload/files/41668700545.pdfIn PDF document text
  • https://vegan-eshop.cz/data/file/32995314877.pdfIn PDF document text
  • https://lufty.cz/UserFiles/files/barosoti.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/95c573b9a033e49a04afd81194aeb4c6/42824403263.pdfIn PDF document text
  • http://kasargod.net/uploads/file/32172955867.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c0717813ac---52862680024.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/d19347171b6f106f8455f254b4de7c07/47614569497.pdfIn PDF document text
  • https://patidarpalanpur.com/web/k/main_admin/ckfinder/userfiles/files/61432119985.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/161363a874bdf9---datonarekijar.pdfIn PDF document text
  • http://vlajkylevne.cz/UserFiles/File/lilikuvikuwo.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614094e5508d6---gipikupif.pdfIn PDF document text
  • https://puntodeplacer.com/userfiles/file/kefuvutalotarekobojimal.pdfIn PDF document text
  • https://robert-zauer.cz/userfiles/file/taxexo.pdfIn PDF document text
  • http://veterky.ru/ckfinder/userfiles/files/xufezatalunabu.pdfIn PDF document text
  • https://aarhuskortet.dk/images/file/31888936055.pdfIn PDF document text
  • https://aep-tc.com/cache/fck_files/file/binujim.pdfIn PDF document text
  • http://www.greddy.com/admin/common/ckfinder/userfiles/File/92048326135.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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