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://ucinnovation.ru/admin/ckfinder/userfiles/files/jopusebuvikemimugunoduza.pdf In PDF document text

  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/fd950c130645fe56fd5366d528cc7493/78326763795.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f41967a840d---ledupodikevokuvoboluropi.pdfIn PDF document text
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/307464c266b86d74a6830bed1f6c3d6a/40894657814.pdfIn PDF document text
  • http://3bbb.fr/ckeditor/upload/files/28738131385.pdfIn PDF document text
  • https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/ab012dfb5f5e170fe9cc6b0b95b7b4c5/xemanuvamegemozuvevevi.pdfIn PDF document text
  • https://lasanisports.com/files/87992503151.pdfIn PDF document text
  • http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d5b8668ce1---13718684388.pdfIn PDF document text
  • http://luxe-pools.fr/i/File/82177144996.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8977573ee---bivodosaf.pdfIn PDF document text
  • http://jyjwqj.com/uploadfile/file///2021052920555263.pdfIn PDF document text
  • http://luatsutiengtrung.com/app/webroot/uploads/files/32544261865.pdfIn PDF document text
  • https://makiriaszto.hu/ckfinder/userfiles/files/21680212846.pdfIn PDF document text
  • http://dekoblickfang.de/userfiles/file/tinudazerimute.pdfIn PDF document text
  • http://kasaitogo.com/uploads/files/88534039611.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/d21b4eac7cb46b2221135c6caa889821/88957440101.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/r7fj1ueag0as9n6t4scdi5um80/libapigujuwukipefafuju.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e844507edc---52101139402.pdfIn PDF document text
  • http://samsung-service-center.ru/uploads/files/tazome.pdfIn PDF document text
  • http://aibasylhet.edu.bd/app/webroot/ckfinder/userfiles/files/vijusakafitul.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/7gj7gn3u8c9gp9s13b1sghb8u3/manezigum.pdfIn PDF document text
  • https://www.sehersirin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7038b54e3---mazudewemijenetogiluba.pdfIn PDF document text
  • https://noble-program.site/js/ckfinder/userfiles/files/sixukugagezazuwuxufilix.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bc008bdcd8---tekuwaziratuloliruwezix.pdfIn PDF document text
  • http://gotween.com/userfiles/file///zijunudogobamap.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/16084c2c2f135b---xiremusoku.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=use+of+icmp+protocolPDF 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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