Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://chcial.ru/uplcv?utm_term=making+inference+and+drawing+conclusions+worksheets PDF link annotation

  • https://mimpishiodua.com/contents/files/63644568581.pdfIn PDF document text
  • http://lachina.cn/upload/file/56708074164.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608654cd4b349---domalabeburefigusuda.pdfIn PDF document text
  • http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/rafubewipi.pdfIn PDF document text
  • http://championshipsportsrings.com/clients/23492/File/66399693868.pdfIn PDF document text
  • http://instant-image.net/UserFiles/Site/File/23093105327.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160d4002c9a467---4078033118.pdfIn PDF document text
  • http://abacusnancy.com/userfiles/file/desuporagag.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/ge30vbkeap661j67h4edjl1eq7/61042915454.pdfIn PDF document text
  • http://casaperferiesantamariagoretti.com/writable/public/userfiles/file/doxemakafor.pdfIn PDF document text
  • http://www.bash.cl/media/file/jewesilivezuni.pdfIn PDF document text
  • http://gulfcoolcontracting.com/uploads/userfiles/file/file/85059393075.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160aad1add4c92---zebiwaru.pdfPDF link annotation
  • http://resortcrimea.com/ckfinder/userfiles/files/25593270682.pdfIn PDF document text
  • http://everbeenmagnet.com/js/upfiles/files/96747091341.pdfIn PDF document text
  • http://18554080.com/userfiles/file/95492158205.pdfIn PDF document text
  • http://aryajob.com/user_upload/file/60607793104.pdfIn PDF document text
  • https://bengalroys.com/ckfinder/userfiles/files/dawabubitadexut.pdfIn PDF document text
  • http://metafelix.it/userfiles/files/83042618890.pdfIn PDF document text
  • http://kamakuralosgatos.com/uploads/files/tikanimoxugajikeg.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c95aa052e5a---36764927762.pdfIn PDF document text
  • https://truongthanhco.vn/webroot/img/files/13640902235.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/jtfm14nl3ejq1jg4eamv28e6tm/85637753772.pdfIn PDF document text
  • http://www.mezmat.ru/ckfinder/userfiles/files/nuzativuladowomal.pdfIn PDF document text
  • https://underworldgear.com/upload/users/files/mowumipupanuz.pdfIn PDF document text
  • http://ags-sib.ru/ckfinder/userfiles/files/wozumumuzeribiwevuxa.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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