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://wastran.ru/uplcv?utm_term=pubg+mobile+lite+hack+download PDF link annotation

  • http://exdebt.bg/userfiles/file/53777141677.pdfIn PDF document text
  • http://coolscape.info/images/files/nopijogakijitivowaja.pdfIn PDF document text
  • http://www.ishvani.com/www/js/ckfinder/userfiles/files/97661283610.pdfIn PDF document text
  • http://makassitools.com/userfiles/file///90479738126.pdfIn PDF document text
  • http://rpsbchamber.org/editorData/file/11447353253.pdfIn PDF document text
  • http://aucoindeshalles.fr/menu/file/ribemupebojukopu.pdfIn PDF document text
  • http://thienlongadv.com/upload/files/78246900001.pdfIn PDF document text
  • http://www.psoealora.es/ckfinder/userfiles/files/dulajot.pdfIn PDF document text
  • http://purofirstli.net/userfiles/file/kasevefukenebo.pdfIn PDF document text
  • http://mikailang.com/userfiles/file/20210912031902_39975118.pdfIn PDF document text
  • https://worldmedglobal.com/userfiles/files/mepowebibogexuzuzimad.pdfIn PDF document text
  • http://sdhmladavozice.cz/userfiles/file/benaziz.pdfIn PDF document text
  • http://kondicionery-pushkino.ru/upload_picture/file/rinekutexomiguf.pdfIn PDF document text
  • http://architettipassarinmarzotto.com/userfiles/files/disibaluwukogamozuli.pdfIn PDF document text
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/1eog9ub6bocduorinbt7uedvbc/21493097927.pdfIn PDF document text
  • http://xageunion.com/userfiles/file/74888648094.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/da74c08ac57c191070928d16ae5a834a/miditakuvigafuwevoponavis.pdfIn PDF document text
  • http://studiozammuner.eu/userfiles/files/75396210643.pdfIn PDF document text
  • https://apskarota.org/userfiles/file/46862349079.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1614138172d87c---zatewup.pdfIn PDF document text
  • http://happycondo.leaddeehub.com/userfiles/files/kosar.pdfIn PDF document text
  • http://maasmartcity.com/userfiles/file/29480891515.pdfIn PDF document text
  • https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/e95c970ba8583014936f59cac94746ce/15695668783.pdfIn PDF document text
  • http://kasaitogo.com/uploads/files/xuvotemivurege.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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