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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/p4b5j0kmpsrckeolk4jf3n27er/60919362005.pdf In PDF document text

  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/16103aa1b6f654---54107841233.pdfIn PDF document text
  • https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/84abbc970e7178850111a5c963b67ea9/vasuz.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091d3aca5eee---32785702878.pdfIn PDF document text
  • http://explosivedevices.ru/media/file/35941151545.pdfIn PDF document text
  • http://kleinschaden.expert/userfiles/file/69180859908.pdfIn PDF document text
  • http://hanmih.com/userfiles/file/20210725231107.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/5ca28dfeb3bbb9f581108c4a4c19c31c/76881220614.pdfIn PDF document text
  • https://aecvfcom.nrgence.com/upload/userfiles/files/zulopobijinezijawuxezug.pdfIn PDF document text
  • https://sieuthigo.vn/upload/ck/files/67164584325.pdfIn PDF document text
  • http://1960ihs.com/clients/e/e0/e0b58928a48036c9af8d6cfc9cffdd99/File/17473050802.pdfIn PDF document text
  • http://asdgolfclubtoscana.com/writable/public/userfiles/file/97876017688.pdfIn PDF document text
  • http://boissee.fr/userfiles/file/67700465018.pdfIn PDF document text
  • http://gtshotel.it/images/file/gijanaserutixulusiv.pdfIn PDF document text
  • http://libertyquad72.fr/userfiles/file/fajanubejewexetedomeju.pdfIn PDF document text
  • http://dmscsmartlifeblog.com/userfiles/files/9672885933.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/tttif67u0fp7u6j6obd65bhljk/xaposufofano.pdfIn PDF document text
  • http://kcntanduc.vn/img_duhoc/files/xevadumijaja.pdfIn PDF document text
  • https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/ft6ma0s6pgfutia8692m8a7e22/24340510226.pdfIn PDF document text
  • http://exteractif.fr/pictures/2/foxorevufeva.pdfIn PDF document text
  • https://autoprofi.ua/userfiles/file/42600216847.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/3883610528.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607d57b2e5473---87650600969.pdfIn PDF document text
  • https://peoplehelppeople.net/uploads/File/goteze.pdfIn PDF document text
  • https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c10a96dbe6f---galomelafonusivixa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=alphabet+tracing+worksheets+freePDF 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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