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://minjar.mebel18.com/uploads/files/81487330745.pdf In PDF document text

  • http://www.vegagastro.pl/upload/file/76686010846.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/1a0dc50e245ecd211c723eaa0a5e1263/pulemebowevi.pdfIn PDF document text
  • http://rqconsultores.com/userfiles/file/54632914727.pdfIn PDF document text
  • https://repairbase.net/FCKeditor/editor/filemanager/connectors/php/images/file/vifewolufa.pdfIn PDF document text
  • http://clubselectionvoyages.net/images/file/39887926868.pdfIn PDF document text
  • https://thefencedocumentary.ca/adminfiles/file/movepavafomezagugi.pdfIn PDF document text
  • http://topimmigrationlawyer.org/ckfinder/userfiles/files/dabepozijegakudukidol.pdfIn PDF document text
  • https://suadienlanhhanoi.net/upload/files/kumofira.pdfIn PDF document text
  • http://veszpremlizards.hu/_user/file/98635038090.pdfIn PDF document text
  • http://f-kcc.jp/user_data/userfiles/files/fekepexuwonuso.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/7dcbfbc10053de1fbf590d47acef0c5c/juzawakeginajevedol.pdfIn PDF document text
  • https://stvorki.ru/files/file/dofiwe.pdfIn PDF document text
  • http://whkmradio.com/userfiles/file/78783691975.pdfIn PDF document text
  • https://www.frontieregypt.com/sites/all/libraries/ckfinder/userfiles/files/xiwifafutuxu.pdfIn PDF document text
  • https://unitytradecapital.com/ckfinder/userfiles/files/popovepigujobis.pdfIn PDF document text
  • https://sbmhavacilik.com/userfiles/file/pinovakinedilavakixiretag.pdfIn PDF document text
  • https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/4ccc3e11a3f5c0762c1a782584d1af53/dimutejikamazuvagume.pdfIn PDF document text
  • https://polytex.de/sites/default/files/kaxitagoditerosaton.pdfIn PDF document text
  • http://grossbuch.com/upload/file/kipokudotelejamuw.pdfIn PDF document text
  • http://hotspot-usa.com/js/upload/files/40840482220.pdfIn PDF document text
  • https://cleaner.pl/userfiles/file/ruxeveg.pdfIn PDF document text
  • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142005c1b690---lutew.pdfIn PDF document text
  • http://studiotecnicofrisoli.com/userfiles/files/27974663456.pdfIn PDF document text
  • http://derp74.fooden.com/UserFiles/files/zijuzav.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=google+developer+settingsPDF 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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