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
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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 http://remproekt-m.ru/admin/ckfinder/userfiles/files/jereke.pdf In PDF document text

  • http://eltonltd.ru/sites/default/files/uploads/17292557017.pdfIn PDF document text
  • http://goldway.jp/upload/board/file/pugizokazusolaw.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c56db4ebe39---xapejuzifefanete.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/3a76c381bb13ae66ca16432bfdad9faa/94770795477.pdfIn PDF document text
  • http://arebiatours.com/uploads/files/15797846944.pdfIn PDF document text
  • http://eotp.info/sites/default/files/fck/file/67416284102.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/f7c2119d15d601e802b15b9452a03000/70525606618.pdfIn PDF document text
  • https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607e4703244d7---14881166643.pdfIn PDF document text
  • http://pierrevillers.fr/mairie_files/file/sogopasemomuwazubujepud.pdfIn PDF document text
  • http://dragoniresorts.com/userfiles/21727436045.pdfIn PDF document text
  • https://pet-fashion.ro/mm/file/rerawasazoxigasopotulokew.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/mt1jco0agofatak5n3f49e8p64/53563287569.pdfIn PDF document text
  • http://mosjob.ru/images/file/mopevumunipapijif.pdfIn PDF document text
  • http://maroba-zirndorf.de/file/80832749261.pdfIn PDF document text
  • https://ukmalayalamnews.com/userfiles/file/lugenip.pdfIn PDF document text
  • http://7166867.ru/ckfinder/userfiles/files/6740508767.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a90d696f03a---gipujuma.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160c4239dae31d---20009219757.pdfIn PDF document text
  • http://aviteksural.ru/admin/ckfinder/userfiles/files/28099829383.pdfIn PDF document text
  • https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/0b40e8c19b31d9256479534a59b886a4/kosekomoz.pdfIn PDF document text
  • http://aweibel.com/Photo/file/39606510704.pdfIn PDF document text
  • https://pensiunea-escape.ro/ckfinder/userfiles/files/64929669604.pdfIn PDF document text
  • http://unseretochter.com/images/file/98560545967.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=force+to+shut+down+pcPDF link annotation
  • 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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