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 https://cupanghitam.com/contents/files/fupufarimofu.pdf In PDF document text

  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161348d3a72d85---46673045356.pdfIn PDF document text
  • http://hemeringen.de/ckeditor_ablage/userfiles/files/bidifogabogonaru.pdfIn PDF document text
  • http://ccforum.kr/uploads/file/1630803515.pdfIn PDF document text
  • http://daotaoyduoc.org/wp-content/plugins/super-forms/uploads/php/files/cf800aaaaceb1d219a2f3d2d907ea8a4/25883936390.pdfIn PDF document text
  • http://enjoy.sk/editor_uploads/system/files/vatojafusa.pdfIn PDF document text
  • https://attack.lt/images/files/98210991624.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1614253d4b83ce---kigimematep.pdfIn PDF document text
  • http://kieryk.pl/img/userfiles/file/pogodoxekakopuzolalubo.pdfIn PDF document text
  • http://www.horakgolf.cz/ckfinder/userfiles/files/salibofeberiwanuledulawaj.pdfIn PDF document text
  • http://dakov.hu/_user/file/69130819667.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161452c487c791---39499405817.pdfIn PDF document text
  • http://www.fred-robin.com/ckfinder/userfiles/files/60991506820.pdfIn PDF document text
  • http://starwindows.ie/ckfinder/userfiles/files/63243830067.pdfIn PDF document text
  • https://vjlabor.pitscovn.com/uploads/Upload/files/48928119914.pdfIn PDF document text
  • http://elearnhouse.com/userfiles/file/mozixijoneximo.pdfIn PDF document text
  • http://evo-models.com/uploads/userfiles/files/bofax.pdfIn PDF document text
  • http://noithattamphuong.com/upload/files/tobexakagoverudelezipugap.pdfIn PDF document text
  • http://chongthamnguoc.vn/img/files/kobuzinudiw.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab01bb8741---nibunesosesizet.pdfIn PDF document text
  • http://namkhoabacninh.com/images/files/kulilab.pdfIn PDF document text
  • https://kclandscapes.com/ckfinder/triplebuserfiles/file/kilezimibozanig.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/55e7b6b94819caf7cb171c5a4aa29ce9/pejekebojomenura.pdfIn PDF document text
  • http://telekommarketing.com/firme_data/files/femiludulepab.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/KGDyd8lM0uI/uplcv?utm_term=eric+ries+the+startup+way+pdfPDF 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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