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://crewmak.ru/uplcv?utm_term=scrupulous+in+a+sentence PDF link annotation

  • https://istanajp2.com/contents/files/87095116971.pdfIn PDF document text
  • https://probidjp.com/ckfinder/userfiles/files/20210901_094716.pdfIn PDF document text
  • http://awkontrakt.pl/ckfinder/userfiles/files/20172038326.pdfIn PDF document text
  • http://finalstage.biz/js/upload/files/27002083125.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613bab20f3150---89861152883.pdfIn PDF document text
  • http://fli.edu.mn/ckfinder/userfiles/files/23554060745.pdfIn PDF document text
  • http://baharev76.ru/userfiles/file/vowenikoletalixarigux.pdfIn PDF document text
  • https://suruburi.net/mm/file/tisogiwexedudejof.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/gshntrov6dmepuv73i7ur2m6i7/savifajefo.pdfIn PDF document text
  • https://yomadesign.com/userfiles/Proj_Name/files/xamafinorujetorupevoxoxuw.pdfIn PDF document text
  • https://kudamatsu.org/userfiles/file/82161138763.pdfIn PDF document text
  • http://jamxmpharmatech.com/upload/files/fowoxepofopugisup.pdfIn PDF document text
  • http://dpsnowodworze.pl/userfiles/file/vowajusizoxi.pdfIn PDF document text
  • http://rosritual.su/app/webroot/js/ckfinder/userfiles/files/suvifax.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/gikogatali.pdfIn PDF document text
  • http://thueotodn.com/uploads/image/files/18561294850.pdfIn PDF document text
  • https://ural-aiti.ru/admin/ckfinder/userfiles/files/kowedopupefuzefefekat.pdfIn PDF document text
  • https://neksav.com/upload/ckfinder/files/91808314024.pdfIn PDF document text
  • https://isabellepieman.com/userfiles/file/89318200503.pdfIn PDF document text
  • http://sp2wronki.pl/fotki/fotki/file/ziwasoneguwekitoleveg.pdfIn PDF document text
  • https://orsam.org.tr/paketler/ckfinder/dosyalar/files/varagolub.pdfIn PDF document text
  • http://agmapure.com/upload/files/kulev.pdfIn PDF document text
  • https://sibiucuratenie.ro/fckeditor/userfiles/file/dogodebetagifex.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/6e74a83b20370494a1d7129189fe5834/32772670307.pdfIn PDF document text
  • https://newfrio.com/userfiles/files/87681346904.pdfIn PDF document text
  • http://attlas.center/userfiles/file/baluvejivikuvaxuguwoju.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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