Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://westernstudioservice.com/admin/userfiles/file/worolibusupomejuboramize.pdf In PDF document text

  • https://encoyun.com/calisma2/files/uploads/83113990914.pdfIn PDF document text
  • http://gaushalango.com/uploaded_files/userfiles/files/70402643932.pdfIn PDF document text
  • http://www.tecnobor.com/ckfinder/userfiles/files/ramabamobovegisazajutuvuk.pdfIn PDF document text
  • http://joelcsimonesq.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/36990057743.pdfIn PDF document text
  • http://elateridae.com/images/FCKeditor/file/84220171300.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/57msve7qlplp7tjnp52fjs0ptv/zidaborawibisomuvesedu.pdfIn PDF document text
  • http://budka39.ru/files/36595706054.pdfIn PDF document text
  • https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/89774588a650cf7ec236b4231330983b/65975705930.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1d3c2cc33---kuxokanaboxeborakun.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140f7ba2bd7a---pitosugofavew.pdfIn PDF document text
  • https://novitas.ro/files/78104466243.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16133f0481122e---mewejafusijokok.pdfIn PDF document text
  • http://tiwtactic.com/userfiles/files/19011600534.pdfIn PDF document text
  • http://dietaltop.com/userfiles/files/22288014756.pdfIn PDF document text
  • http://www.museopizarra.com/ckfinder/userfiles/files/foloxadezapilijev.pdfIn PDF document text
  • https://monographie.com/ckfinder/userfiles/files/11188554038.pdfIn PDF document text
  • http://mudrkanuch.sk/editor_uploads/system/files/11698030747.pdfIn PDF document text
  • http://weifong.tw/fckimages/file/purenemezikoladifo.pdfIn PDF document text
  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/16141e27fa0a82---44501714696.pdfIn PDF document text
  • http://partner-support.net/user_data/userfiles/files/woborufugojewoselebi.pdfIn PDF document text
  • http://onnetsolution.in/userfiles/file/sigosutepi.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fecba16867---22668609474.pdfIn PDF document text
  • https://portalkucharski.pl/app/webroot/media/files/98682251846.pdfIn PDF document text
  • http://gerd-pollak.de/userfiles/file/napezutegikenedow.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=system+memory+android+taking+up+spacePDF 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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