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://medvor.ru/uplcv?utm_term=microsoft+exchange+mobile+setup+android PDF link annotation

  • http://pagyesa.org/userfiles/file/20210909033510.pdfIn PDF document text
  • https://liepasmuiza.lv/userfiles/library/85937397952.pdfIn PDF document text
  • http://oroblupiscine.it/userfiles/files/38956913629.pdfIn PDF document text
  • http://rosritual.su/app/webroot/js/ckfinder/userfiles/files/moresuse.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130f17aef371---85761163738.pdfIn PDF document text
  • https://tommytest.dish1314.com/data/html_editor/files/sigagumanafu.pdfIn PDF document text
  • https://milliondollardesiclub.com/upload_files/featured/files/zinexesudubumivededib.pdfIn PDF document text
  • https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/gemipufitiwobabajafate.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e0b4c2a3ec---30815117164.pdfIn PDF document text
  • https://quatcongnghieput.com/uploads/files/mumoranaxudanixudutogofa.pdfIn PDF document text
  • https://vegas-shop.net/uploads/files/99995850731.pdfIn PDF document text
  • http://e68momo.com/shopadmin/upload/files/zopezebuzuwulenuwov.pdfIn PDF document text
  • https://xn--interpeas-r6a.es/upload/files/5989690396.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/ocu86b643l7r855gsvpr6d5vnh/dexagepedine.pdfIn PDF document text
  • http://chemicalengineers.ie/images/jotesikolonuxukal.pdfIn PDF document text
  • http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/wubija.pdfIn PDF document text
  • https://gospel-streams.com/asset/ckfinder/userfiles/files/45371736738.pdfIn PDF document text
  • https://yunglin.com/uploadpic/files/tukonikaketafotopaluragug.pdfIn PDF document text
  • http://lukoilmarine.com/ckfinder/userfiles/files/21058172339.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/31726551191.pdfIn PDF document text
  • http://avtokapriz42.ru/userfiles/file/76596931836.pdfIn PDF document text
  • http://skyrun-arser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/21091221333657983508axb5.pdfIn PDF document text
  • http://gotoippc.com/ckfinder/userfiles/files/24203912290.pdfIn PDF document text
  • http://thrifthelp.com/flash/thrifthelp.com/file/votetoxow.pdfIn PDF document text
  • http://keralastatetailorsassociation.com/userfiles/file/dopexikijuxerirusawe.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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