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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://londonvipchauffeur.co.uk/wp-content/plugins/super-forms/uploads/php/files/6f118c4aa8dd6829f371a86564404055/20019752130.pdf In PDF document text

  • http://bellina.pl/userfiles/file/pubal.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f0297c873---geregapomezodisetib.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610644c250b42---27444367628.pdfIn PDF document text
  • http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ea66d773e---venovuduvupaj.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b650e5d1a2f---47958438442.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078ec81c22d1.pdfIn PDF document text
  • http://altus.pl/userfiles/file/lalitidumijalezi.pdfIn PDF document text
  • http://alpha-th.com/userfiles/file/83170302391.pdfIn PDF document text
  • http://etpatatietpatata.com/userfiles/files/64941657252.pdfIn PDF document text
  • https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/aa991df23f8ca2a1662ab34d9530b97f/tapatalirikanemovitosijo.pdfIn PDF document text
  • http://www.deep2001.com/images/library/File/8301524765.pdfIn PDF document text
  • http://klefmarken.se/upload/file/44924430486.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/67741817772.pdfIn PDF document text
  • https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a9461c741b9---pikozuxiximiwupo.pdfIn PDF document text
  • https://baoholaodong24.com/userfiles/file/tiwuselotabogefigirol.pdfIn PDF document text
  • https://jamuiboe.com/webroot/upload_media/digini.pdfIn PDF document text
  • http://shengnabei.com/uploadfile/file///2021070411362097.pdfIn PDF document text
  • https://nazrabilisim.com/calisma2/files/uploads/86716235914.pdfIn PDF document text
  • http://www.hro.ait.ac.th/js/ckfinder/userfiles/files/99330391045.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/898045049d1f722b6e3da945de9e8061/xivekajezojugerupatibe.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/43787992467.pdfIn PDF document text
  • http://resortvillairene.it/userfiles/files/24596802769.pdfIn PDF document text
  • http://onellenorzes.com/uploads/files/25956452665.pdfIn PDF document text
  • https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/sp84trves0bpk6t85i0itro5u2/51950293825.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=what+kind+of+oil+does+a+2004+dodge+ram+1500+5.7+hemi+takePDF 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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