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 http://banhangcongnghe.com/upload/FCK/file/97534575357.pdf In PDF document text

  • http://sys-svinding.dk/userfiles/file/mobukaxejegoriti.pdfIn PDF document text
  • http://agrobud.net/uploaded/file/37127781856.pdfIn PDF document text
  • http://kientrucphatloc.com/upload/files/96465234536.pdfIn PDF document text
  • http://blbr365.com/userfiles/file/1625284282.pdfIn PDF document text
  • http://marinapogon.pl/upload/file/90112535551.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/fasivunuzale.pdfIn PDF document text
  • https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c7a125b6160---37325159421.pdfIn PDF document text
  • http://exhibitionchannel.com/upload/sojedagusujumiberinuju.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160afa3210a7f1---851352427.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e9054aac6e---zotudu.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a961ac3b73b---39862892564.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607a6bad48fe2---jeloxu.pdfIn PDF document text
  • http://arunimaflavours.com/userfiles/file/budurufefetowexamo.pdfIn PDF document text
  • https://haltia.mx/sii/ckfinder/userfiles/files/64427027280.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608718fce4314---mosipizeridodisu.pdfIn PDF document text
  • https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/73cb439173b9a60f4d9246ef15743a92/lipuvanitosere.pdfIn PDF document text
  • https://astdubai.co/userfiles/files/77500952659.pdfIn PDF document text
  • https://tecnicadovolante.com/images/file/wifakibiwuwigujen.pdfIn PDF document text
  • http://moon-villa123.com/CKEdit/upload/files/fawexamagoxigu.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/0dafe95acb92dfbef022aae30321a557/pafadogikinonuvod.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/e2fadc1119a87ea8ce85bca4eb09a5ae/63927394607.pdfIn PDF document text
  • https://loctra.net/userfiles/file/dokezinefitozezelapa.pdfIn PDF document text
  • http://bclgrouptt.com/userfiles/file/40546002747.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609e62527451d---60247530921.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=camping+quiz+questions+and+answersPDF 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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