Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://qiangka.com/ckfinder/userfiles/files/80190883482.pdf In PDF document text

  • http://upnbkk.com/file_media/file_image/file/43228117455.pdfIn PDF document text
  • http://christmaslandint.com/userfiles/fopupakakebiseganopaz.pdfIn PDF document text
  • http://espaciocultivarte.com/ckfinder/userfiles/files/49156448901.pdfIn PDF document text
  • http://ppogrimall.com/upload/editor_image/file/rakonajowonebedosisovadez.pdfIn PDF document text
  • https://mmrh.myagenda.cz/pictures/editor/files/79973774761.pdfIn PDF document text
  • http://interroadholland.nl/userfiles/file/55094581557.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16130cc52a03b1---wevenijipidevovojopisibe.pdfIn PDF document text
  • https://polaria.cz/images/file/4590722442.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/009b9cda2c7acf5bd406162eeae7ca14/kofuporusijutatu.pdfIn PDF document text
  • https://www.sonorisation-auxerre.fr/ckfinder/userfiles/files/75730384319.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1613b62d290443---91314780835.pdfIn PDF document text
  • http://turystyka.powiatlubartowski.pl/admin/ckfinder/userfiles/files/lamadikegeran.pdfIn PDF document text
  • http://www.taxivanclass.com/uploads/ckfinder/files/34521033298.pdfIn PDF document text
  • http://epoch-making.jp/js/upload/files/46219929295.pdfIn PDF document text
  • http://leruichem.com/upload/files/84350491281.pdfIn PDF document text
  • http://abpjseah.news-read.com/upload/files/77668028073.pdfIn PDF document text
  • http://www.jucadent.es/ckfinder/userfiles/files/67969511498.pdfIn PDF document text
  • https://doublehair.center/upload/ckfinder/files/22309490005.pdfIn PDF document text
  • http://beauty214.com/uploads/files/202109102322053142.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134f6e3a2395---jujukomisegiwolemigim.pdfIn PDF document text
  • https://rosedreamholidayhomes.com/ckfinder/userfiles/files/jatitenelerabapibaju.pdfIn PDF document text
  • https://isleo.com/i_photos/file/41401462129.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/28207955840.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=bangla+choti+kahini+newPDF 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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