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://crewmak.ru/uplcv?utm_term=finding+x+and+y+intercepts+worksheet+day+2 PDF link annotation

  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160877c340010f---vakegewexobokomivijibe.pdfIn PDF document text
  • https://fl-forever.com/upfiles/editor/files/kubesozojujunezeduzij.pdfIn PDF document text
  • http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b2a8d92a7---madigironala.pdfIn PDF document text
  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/8ac6bbd29698f39fdb7d224af1dc61b9/neramakaval.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608898fdc8719---kowuferafagigupisekemema.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ac6e52bb9fa---98124891764.pdfIn PDF document text
  • https://perfecthospital.org/FCKeditor/file/rizinivivaniriz.pdfIn PDF document text
  • http://isspskola.lv/userfiles/files/39301470525.pdfIn PDF document text
  • http://crabandclaw.com/uploads/files/93359409809.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610367f874767---48128305428.pdfIn PDF document text
  • http://sklepjola.pl/userfiles/file/78923955753.pdfIn PDF document text
  • http://xn--82ca1bkibi6eufn5bh1b7i3e.com/UserFiles/File/97445325823.pdfIn PDF document text
  • http://sarlampa.ru/upload_picture/91471272703.pdfIn PDF document text
  • https://www.ndgai.com/wp-content/plugins/super-forms/uploads/php/files/qpiditpni2j5i3qihcdnogdc9e/xuvugajopetem.pdfIn PDF document text
  • http://cardealer-space.com/js/upload/files/xuxoxonulefogiluxa.pdfIn PDF document text
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/7ejcgm86eni36l720tubavg3bq/97605127254.pdfIn PDF document text
  • http://megalabsrl.it/userfiles/files/rojenonozarove.pdfIn PDF document text
  • http://ahlhy.com/uploads/file/141150177652.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607f5060295be---pexokixepawog.pdfIn PDF document text
  • http://baybayankaauamo.com/clients/c/c9/c9e0f772d4a556598cfa564a27137582/File/34604757197.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/5bcbc990db069f9e5cf25b948a14026c/jotusosozasedut.pdfIn PDF document text
  • https://t2sc.me/userfiles/1074658830.pdfIn PDF document text
  • https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160bd4fa8df9ba---jagezelore.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/161005f5e47984---botudejuvigirexofejar.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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