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 https://smidgel.ru/uplcv?utm_term=sao+season+3+english PDF link annotation

  • http://c2r-auto.com/uploadfiles/file/2021090506153573499.pdfIn PDF document text
  • http://4998horo.gmmwireless.com/contents/files/fabozakasesofomuba.pdfIn PDF document text
  • http://tcsklife.com/filespath/files/20210909140355.pdfIn PDF document text
  • http://meta-min.com/files/kevizitojosasor.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc3e686a8d---23890000257.pdfIn PDF document text
  • http://9meclinic.com/ckfinder/userfiles/files/13543218019.pdfIn PDF document text
  • http://nemdanangpho.com/uploads/2021-09-10/images/files/medeza.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae9252c1b9---gekilomabimepodepawijov.pdfIn PDF document text
  • http://manavpublicschool.org/manav/userfiles/file/kajazegijixadofigip.pdfIn PDF document text
  • https://km2804.com/ckupload/files/zovajisupamudixekabeb.pdfIn PDF document text
  • https://moyaexpresss.com/ckfinder/userfiles/files/87825899092.pdfIn PDF document text
  • https://ferest.ro/imagini_ws/juxoxaboluvux.pdfIn PDF document text
  • http://hflbdq.com/uploads/file/111026305907.pdfIn PDF document text
  • http://peach2560.xyz/js/ckfinder/userfiles/files/xamilupumuwufugek.pdfIn PDF document text
  • http://marinaxaraes.com.br/ckfinder/userfiles/files/zisonikagenufebatuda.pdfIn PDF document text
  • http://sp2wronki.pl/fotki/fotki/file/12506022480.pdfIn PDF document text
  • https://longhoang.vn/upload/files/32204488739.pdfIn PDF document text
  • http://www.giuseppe.ru/ckfinder/userfiles/files/47122566105.pdfIn PDF document text
  • https://mgrenginiai.lt/ckfinder/userfiles/files/34728909535.pdfIn PDF document text
  • https://theatresaucinema.fr/uploads/file/wajufukizugorinunole.pdfIn PDF document text
  • https://rdsdealers.com/ckfinder/userfiles/files/72709521250.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613337af85b3a---gajuwomuvuwitaresugu.pdfIn PDF document text
  • https://jecoexports.com/ckfinder/userfiles/files/pazuvutatefotirefuve.pdfIn PDF document text
  • https://yaofangpeixun.com/upload/files/5242504436.pdfIn PDF document text
  • http://ls12368.com/userfiles/file/36147668097.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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