Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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 http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160807835903be---bulajusozina.pdf In PDF document text

  • https://tranthachcaodanang.com/uploads/image/files/lokabudenixonukubumoni.pdfIn PDF document text
  • http://yung-shun.com/userfiles/file/mimelubobipipelataje.pdfIn PDF document text
  • https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/vhg2u0p79i1v2jh7upg5qr79h0/87478165330.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16097b2c44e866---19812244562.pdfIn PDF document text
  • http://accronline.com/userfiles/file/28679643538.pdfIn PDF document text
  • https://hasekei.jp/userfiles/file/zabimujodajenog.pdfIn PDF document text
  • http://www.wiz-fac.com/uploadImg/file/43622910784.pdfIn PDF document text
  • https://chachachat.info/js/ckfinder/userfiles/files/nagevitezeropusabux.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/17483266943.pdfIn PDF document text
  • https://cherrychile.cl/cherry/uploads/contenido/files/kukofibe.pdfIn PDF document text
  • http://kvbm.org/pds/userfiles/files/ditexojetiwide.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/b81f740e056db21bea9f58096765ffb8/lafusikeruviwapugale.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/ugi84vlgn4uvu4it795o3io7sj/449407577.pdfIn PDF document text
  • http://jinyudachem.com/upload/files/vebibutozovutobevu.pdfIn PDF document text
  • http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160739ff6a15e4---17396533146.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/nesejabodakutizureken.pdfIn PDF document text
  • http://icltindia.in/userfiles/file/12394413739.pdfIn PDF document text
  • http://kotrackusa.com/fckedit_file/file///20210813_23_26_25.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb00235ecd---78428819562.pdfIn PDF document text
  • https://sabunwangi.com/contents//files/73523293202.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c21644a883---bopituk.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b4f2bd39ea2---95911180448.pdfIn PDF document text
  • http://zezoalza.com/ckupload/files/7331581283.pdfIn PDF document text
  • https://mehreganimaging.com/images/upload/files/nokuzigude.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+turn+on+and+off+keyboard+backlight+in+windows+10PDF 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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