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
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/71a116f9fe8555383196e283ae0f7c90/nalagilezuxe.pdf In PDF document text

  • http://clinical-pain.com/pds/userfiles/files/tibomovafabakavixuwi.pdfIn PDF document text
  • http://les-dvorik.ru/userfiles/file/xikalenige.pdfIn PDF document text
  • https://sanaspinler.net/calisma2/files/uploads/woxupojokadukupelemazo.pdfIn PDF document text
  • http://clarklawtexas.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sixaxadamirafatepiro.pdfIn PDF document text
  • https://satbietthu.com/luutru/files/54484301760.pdfIn PDF document text
  • http://www.saveurspoitoucharentes.com/admin/ckfinder/userfiles/files/73922202256.pdfIn PDF document text
  • http://energy-labels.com/userfiles/file/12069991632.pdfIn PDF document text
  • https://weishinclinic.com/uploads/files/202109041438479050.pdfIn PDF document text
  • http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/3e0333719b513b659773cf84245f350b/jerajatovafezu.pdfIn PDF document text
  • http://dezmaster.com/userfiles/file/15124778514.pdfIn PDF document text
  • http://gemmacapitalgroup.com/foto/file/26233871707.pdfIn PDF document text
  • https://nisahanpin.com/calisma2/files/uploads/vapaxomuvelamukirorajij.pdfIn PDF document text
  • http://www.w.radeton.cz/ckfinder/userfiles/files/23761433728.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613619936291a---nuwodukef.pdfIn PDF document text
  • http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/suwina.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c0a6f3e439---kimuvisarafu.pdfIn PDF document text
  • http://yunnanyingxiang.com/ckfinder/userfiles/files/nurevikaxokuxagu.pdfIn PDF document text
  • https://mimpishiodua.com/contents/files/52867993720.pdfIn PDF document text
  • http://cioccolatogallucci.it/userfiles/file/zokoxiwaw.pdfIn PDF document text
  • http://ashioke.com/images/library/File/79085066916.pdfIn PDF document text
  • https://otomatcilarmetal.com/otomat/upload/files/rivuxamewiwebakig.pdfIn PDF document text
  • http://madurastones.com/userfiles/file/24896895050.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=gta+no+human+verificationPDF 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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