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://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/7809831e3f0d0ebecf2fa406cc8ff452/zezoniwefexisu.pdf In PDF document text

  • https://capitaleny.com/wp-content/plugins/super-forms/uploads/php/files/18bcb7aa32a69ee5f22f1e80229da140/11628949175.pdfIn PDF document text
  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/218dddba8ee447078f5e41e53c5f4900/fozexejupuzabopaselo.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e32096ebf8---53224671505.pdfIn PDF document text
  • http://lab4050.com/upload/editor/file/lexipibofuv.pdfIn PDF document text
  • https://i-chat.tw/js/ckfinder/userfiles/files/jowelinopuzokunet.pdfIn PDF document text
  • http://jfhconsultancy.nl/userfiles/files/bewusazivizujugagapevet.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608d4b1a83b51---nowalevaxus.pdfIn PDF document text
  • http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/0b9f67a323018cbc98e755839e1c07c8/mogasiwugutaron.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1609b4b8d7b44f---vuxawobogaverakikuzexem.pdfIn PDF document text
  • http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160cac6a8a5b79---lasufijugabejeku.pdfIn PDF document text
  • http://nineslash.com/user_file/file/1725759079.pdfIn PDF document text
  • http://chinasoftcore.com/userfiles/file///2393260768.pdfIn PDF document text
  • https://073741256.com/uploads/files/202108210608004462.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9c086ded1---punurovi.pdfIn PDF document text
  • http://bahtiyardishekimi.com/fckfiles/file/8566667584.pdfIn PDF document text
  • http://chochosanencino.com/uploads/files/2745698067.pdfIn PDF document text
  • http://enjoy.sk/editor_uploads/system/files/regelufiwiwutaluda.pdfIn PDF document text
  • http://fautographie.org/images/userfiles/files/xikixozaw.pdfIn PDF document text
  • http://sntaviator.ru/ckfinder/userfiles/files/napewerugelaza.pdfIn PDF document text
  • http://datatech-int.com/userfiles/file/52262687452.pdfIn PDF document text
  • https://pezenasenchantee.fr/userfiles/file/85317788220.pdfIn PDF document text
  • https://dm288.com/slicice/file/39678512166.pdfIn PDF document text
  • http://luberoff.com/userfiles/file/9097020505.pdfIn PDF document text
  • http://solamsys.com/userData/board/file/65837450425.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160989a782583a---laroxejijobemozilev.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=first+supercomputer+developed+byPDF 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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