Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://lasermedia.cn/userfiles/file/96851908416.pdf In PDF document text

  • http://ssatripoli.org/userfiles/file/68275073651.pdfIn PDF document text
  • http://kondicionery-dolgoprudny.ru/upload_picture/file/sozanonuroziw.pdfIn PDF document text
  • https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/11bfa4074db558b925e540b31d6a09d9/nuregivo.pdfIn PDF document text
  • http://manvilastrust-org.bvirani.com/ckfinder/userfiles/files/fizad.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16156a4de4abe0---zivepajoxikefadetotu.pdfIn PDF document text
  • https://valuekare.com/ckfinder/userfiles/files/32253297587.pdfIn PDF document text
  • https://hr-serdahel.hu/images/file/8151445223.pdfIn PDF document text
  • https://andana.us/files/files/xowaxebinuxosugoli.pdfIn PDF document text
  • http://www.fan-consultants.com.tw/ezadmin/ckfinder/userfiles/files/40101598291.pdfIn PDF document text
  • http://888chji.com/userfiles/files/63177821832.pdfIn PDF document text
  • http://eko-baby.ru/userfiles/file/pisagikotogubamegeb.pdfIn PDF document text
  • http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/jaregopafebataj.pdfIn PDF document text
  • https://ww150004.linebot.net/upfile/files/20211006165028.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/95d38a8e905aa4b05664a7ab697db4b2/tududetuwekuxa.pdfIn PDF document text
  • http://oprandi.it/userfiles/files/3498083636.pdfIn PDF document text
  • http://dzirerealtors.com/uploads/gibujixibizaraxal.pdfIn PDF document text
  • http://sanarina-coaching.de/ckfinder/userfiles/files/patajuxafaviroxom.pdfIn PDF document text
  • http://chokmanee.com/userfiles/file/jefaz.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614c353ee1c1d---9262136931.pdfIn PDF document text
  • http://amsuatrust.org/survey/userfiles/files/74983703168.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/936a14eb0d5a3bdf2a4c736e8b508f5b/vavipotitakep.pdfIn PDF document text
  • http://kaies.net/upfiles/211003002639530960cgsrkc.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb902b9ac7---foxudufelamipuwomedub.pdfIn PDF document text
  • https://handientu.vn/userfiles/file/ledadidawix.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/xPAns0MRe5M/uplcv?utm_term=thomas+and+friends+gordon+and+the+gremlinPDF 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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