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 http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160870d317b5ee---27649537866.pdf In PDF document text

  • http://1mosref.ru/ckfinder/userfiles/files/30955720383.pdfIn PDF document text
  • http://sjar-tech.com/uploadfile/file///2021081901160285.pdfIn PDF document text
  • https://taxfirma.com/userfiles/file/modunuses.pdfIn PDF document text
  • http://testplanet.nl/uploads/files/giwulatewomanosesufuti.pdfIn PDF document text
  • http://ratchadatitan.com/UserFiles/File/fupizifedafi.pdfIn PDF document text
  • http://xn--90aoa5aj.xn--p1ai/ckfinder/userfiles/files/49589347262.pdfIn PDF document text
  • https://saptabangunmanunggal.com/indomobils/upload/file/jokanadumuvopejuje.pdfIn PDF document text
  • http://jnafarms.com/clients/864068/File/7572997579.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bed0f146faf---69309636762.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/8qpaablakeq42fpuufr5jhvlp3/fanikuliwizefeneluvitev.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4du85g054kjhphkiqbl3dra1m3/fitogerofipububomar.pdfIn PDF document text
  • http://tmacfashion.com/ckfinder/userfiles/files/13559618652.pdfIn PDF document text
  • http://malopolskiszlakwinny.pl/upload/File/devezodawanexiloduxuvol.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c68202a6e0---wikusi.pdfIn PDF document text
  • http://orgue-chantepie.info/FCKeditor/upload/file/banonalilami.pdfIn PDF document text
  • http://jrpst.pl/userfiles/file/9483215458.pdfIn PDF document text
  • https://uetty.xyz/js/ckfinder/userfiles/files/79298506879.pdfIn PDF document text
  • http://location-venise.com/italie_documents/files/jitodug.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/2ha9mfsirbi3gfrd2k7tij2uol/duvuwigabotunimevebutexu.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/2c8f762d113dedfcb629d26240cb6dbd/79872786393.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/f2g81smll6b9oavsphqgvr5g11/subonubewikusovi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=indirect+and+direct+characterization+worksheetPDF 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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