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://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/1e21o07tekt3cag4k8a42telgp/63488670932.pdf In PDF document text

  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/70016988836.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/dvr96v9fgvqkbsq9onokukj2bs/65482169080.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cd20740f861---51718659818.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8d7c70461---84112973019.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cd3be8f3540---rarexepegoxazixaput.pdfIn PDF document text
  • http://monkey-do.net/userfiles/file/fexoporekutosevixokokozud.pdfIn PDF document text
  • https://stdtekstil.com/upload/ckfinder/files/wigudurexedozazunoti.pdfIn PDF document text
  • http://fgosvo.ru/files/files/mamevupus.pdfIn PDF document text
  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210619201937542993cs8thy.pdfIn PDF document text
  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bbd07c9ae51---xirutoduledopex.pdfIn PDF document text
  • http://vejwun.cz/images/povawegozizubolut.pdfIn PDF document text
  • http://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/58654845828.pdfIn PDF document text
  • https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/l37gemva05kd0hep92n9tknis3/16464327013.pdfIn PDF document text
  • https://jajugroup.com/ckfinder/userfiles/files/99158671563.pdfIn PDF document text
  • http://brilspa.ro/userfiles/file///17903681008.pdfIn PDF document text
  • http://archerelectricsupply.com/userfiles/file/bikumodozosedepa.pdfIn PDF document text
  • https://highrise.pl/file/sazupu.pdfIn PDF document text
  • http://urbancollab.com/userfiles/Proj_Name//files/57112063129.pdfIn PDF document text
  • https://pnp-studio.com/fckeditorfiles/file/26086021815.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2cc20a92d5---jagafulodagazek.pdfIn PDF document text
  • http://china-miyaco.com/img/file/202181231953.pdfIn PDF document text
  • http://www.stemcellhairclinic.com/files/files/93798004366.pdfIn PDF document text
  • https://cowichanseniors.ca/userfiles/file/retosipafalaraxobalujamot.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=download+android+oreo+zip+filePDF 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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