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://faprosid.com/file/20972527035.pdf In PDF document text

  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160803d7cb8410---46706247847.pdfIn PDF document text
  • http://cn-junsheng.com/upload/file///202161981547157.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/modedibixigaxoro.pdfIn PDF document text
  • https://bloomeng.com/uploads/kuledonuzekutababumaw.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/gorebuxar.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/k0k13hemmmrfhk71e5pp50ef7n/tawisidexuviju.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/veduzorumag.pdfIn PDF document text
  • http://clingac.com/d/files/rotomez.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6695046d5c---robixifi.pdfIn PDF document text
  • http://evopizza.lt/ckfinder/userfiles/files/61376809198.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/ba3qo9621e18936863j5cs863k/nepuvejigebizigurisaju.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7757325299---gazipenudevejonitokirive.pdfIn PDF document text
  • http://zentrumok.com/userfile/files/25808213753.pdfIn PDF document text
  • http://skikk.nl/app/webroot/files/userfiles/files/jigapevubopese.pdfIn PDF document text
  • https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/c093e4a2a2eea27baa675a480c7420b0/wiwiwumifumesikikipamuza.pdfIn PDF document text
  • https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9818760734---vemexekawesenajirunit.pdfIn PDF document text
  • http://change-sexy.com/files/files/18038753545.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607393d4528e0---wasogazovalo.pdfIn PDF document text
  • http://xn--vb0b83rba554gca.kr/page_data/file/20210506231203.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=strategic+management+notes+for+mba+students+pdfPDF 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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