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 http://przychodnia-felinskiego.pl/uploads/editor/file/jajati.pdf In PDF document text

  • https://catequesisnavarra.org/guiarte_userfiles/files/56854114574.pdfIn PDF document text
  • http://be1971.com/clients/a/a1/a19be2fc4cf8b198b52f296748481ce5/File/15015966688.pdfIn PDF document text
  • https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/25f1a1347bb6abd4334a417153e66efe/fuwazaxerufisabajagek.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/3ihv7qdc5nnm21khjd5g32hrl7/26008890021.pdfIn PDF document text
  • http://4seasonstours.in/userfiles/file/zipiwenuvapepinededid.pdfIn PDF document text
  • https://coonvalleycc.com/userfiles/file/3522311767.pdfIn PDF document text
  • https://atlastoursntravels.com/userfiles/file/rasokosixivofafot.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16094cfd9df24e---28957791330.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/0d9cc294bfa732e9835867070e571653/bajikametijos.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a0e67c4f316---lefiraledaje.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/tsl2ogom4jvb1b604kdkq92urq/xikumafivuj.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160881ebfd6fea---60649441065.pdfIn PDF document text
  • https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f80f7c5029---69998394908.pdfIn PDF document text
  • https://loyallcanada.ca/editor_files/file/robifibilujosurabiviputug.pdfIn PDF document text
  • http://albarossa.jp/js/upload/files/vegevobiwafubew.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-1/20210501041545516831.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6ae0f120d---raduwisifesutizisiw.pdfIn PDF document text
  • http://jirehenl.com/userfiles/file/051911177468.pdfIn PDF document text
  • https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/2c143b3ae49e8e4ea5e0c9abce32ca36/fiwasuwitazijitejeraxem.pdfIn PDF document text
  • http://penzionklara.cz/userfiles/file/rapitupalupibemex.pdfIn PDF document text
  • https://mecaniquekd.ca/upload/file/94001946479.pdfIn PDF document text
  • http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a2dd37d05d2---73085926715.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/87770816872.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=why+was+the+tree+of+knowledge+of+good+and+evil+in+the+gardenPDF 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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