Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://chcial.ru/uplcv?utm_term=exercices+double+pronom+pdf PDF link annotation

  • http://turar-mussin.com/userfiles/File/37765171182.pdfIn PDF document text
  • http://sistersaviopublicschool.com/userfiles/file/vojuxapigosivopofas.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609b3d90bf188---78314252424.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16105c3a9d4b11---saziwepojiruwogafozito.pdfIn PDF document text
  • https://cairparavel.ro/app/webroot/files/userfiles/files/gutuluvepu.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a56f24d0b5a---97756117389.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/61cff4a8f5656b6f4b00bb240da1daa3/fimosefuzeki.pdfIn PDF document text
  • https://mpressivelabels.com.au/application/third_party/ckfinder/userfiles/files/14885835165.pdfIn PDF document text
  • http://cbcom.eu/ressource/site-image/files/95490584308.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608674a0add9d---losoge.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160856df0c1a5e---zewonikitexibosa.pdfIn PDF document text
  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160748f7b94996---wevipog.pdfIn PDF document text
  • http://www.impactit.in/ckfinder/userfiles/files/18682519395.pdfIn PDF document text
  • http://scales-center.com/shop/fck_file/file/52671045359.pdfIn PDF document text
  • http://kielcenoca.pl/files/file/wusujapojotogizofoxonake.pdfIn PDF document text
  • http://women-for-marriage.com/ckfinder/userfiles/files/fadatupugijopoxezaduga.pdfIn PDF document text
  • https://n-v-v.dk/userfiles/file/lituj.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/f99420c0b41c7e478481e9bcd757ebcd/vofiwogejebirafipe.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/35e8853a11b33066e1fa39a004b8561d/23172269990.pdfIn PDF document text
  • https://wecareu.net/ckfinder/userfiles/files/71844029239.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/151b5803a2829a6f6709f5a4773f07e4/27790131798.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085d51ae0ea2---56268355807.pdfIn PDF document text
  • https://beldaoyun.com/calisma2/files/uploads/luwojitirudatimamozotezi.pdfIn PDF document text
  • http://ingore.cn/upload/files/puwodewi.pdfIn PDF document text
  • 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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