Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://wastran.ru/uplcv?utm_term=printing+press+for+mass+production PDF link annotation

  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/81bs90v5cu80rfhunf600b96l0/2477374390.pdfIn PDF document text
  • http://teaandtiarasottawa.org/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/64728033950.pdfIn PDF document text
  • https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/3d6804ecaa82f89a724e2082354a5662/8703321798.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16088b9fdbaf8a---daxizexizosiruj.pdfIn PDF document text
  • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/1a5975465396c40bcbe479af83bfe35f/35088319095.pdfIn PDF document text
  • http://ozgu-yapi.com/firma/files/14019393726.pdfIn PDF document text
  • https://www.santaterezinha.com.br/js/ckfinder/userfiles/files/biluvokugitafesa.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c69c644bbc0---bisamika.pdfIn PDF document text
  • http://kingtonkatsu.com/uploads/files/luwofimo.pdfIn PDF document text
  • https://chptravel.ir/data/file/xilotiduvozovemimirobafan.pdfIn PDF document text
  • http://www.monts.sk/upload_images/file/45852193348.pdfIn PDF document text
  • http://korean-school.hu/hangul/userfiles/file/vesuworozaxixixixali.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608801b6e5021---44752312527.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/24646590124.pdfIn PDF document text
  • http://firegallery.ru/img/upload/38687452607.pdfIn PDF document text
  • http://wingmanresearch.com/userfiles/files/41683369733.pdfIn PDF document text
  • http://condosworld.com/abisol1/userfiles/files/98294533007.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/8d1558c2ce2137c9b21bbdf1e0ddf806/54799079452.pdfIn PDF document text
  • http://www.toptehnik.si/images/25084624109.pdfIn PDF document text
  • http://teplorium.su/userfiles/file/14838779142.pdfIn PDF document text
  • https://bilegt.mn/userfiles/files/2308581442.pdfIn PDF document text
  • http://klasykarozrywki.pl/public/images/fck/file/rurimiwom.pdfIn PDF document text
  • http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607016d749027---38195859648.pdfIn PDF document text
  • http://asfalon.com/__files/file/71264784225.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086b4fda16ac---72744709008.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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