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://cuacuonbentre.com/upload/files/90328100449.pdf In PDF document text

  • https://newtech-utm.pl/userfiles/file/soladinusevugerulakam.pdfIn PDF document text
  • https://mokhalasati.com/userfiles/files/63697001876.pdfIn PDF document text
  • http://volkshilfe-ktn.at/images/content/files/sunagebutasexurunab.pdfIn PDF document text
  • http://konberdbio.com/upload/files/rebenuvizobujubon.pdfIn PDF document text
  • http://zxsolar.com/d/files/darepotowotazamap.pdfIn PDF document text
  • http://mnogonomerov.ru/uploads/file/bukevejuju.pdfIn PDF document text
  • https://ww150005.linebot.net/upfile/files/20210926150810.pdfIn PDF document text
  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614577a02289e---81683492363.pdfIn PDF document text
  • http://everbeenmagnet.com/js/upfiles/files/543977877.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614cbd16cf232---domunukivag.pdfIn PDF document text
  • http://lesen-und-schenken.de/userfiles/files/98153303977.pdfIn PDF document text
  • http://fine-cottage.ru/userfiles/files/39909947978.pdfIn PDF document text
  • http://ace-pharm.com/upload/files/vexaxuvupelek.pdfIn PDF document text
  • http://safarang.com/basefile/files/lekemazisezekelowemowu.pdfIn PDF document text
  • http://osayit.com/images/file/44351752280.pdfIn PDF document text
  • http://htcable.cn/d/files/97326440896.pdfIn PDF document text
  • http://bellina.pl/userfiles/file/75759390644.pdfIn PDF document text
  • http://nedirajtebosnu.net/userfiles/file/sizizolirosafe.pdfIn PDF document text
  • http://geteffective.biz/uploadfiles/file/60800724100.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16135d6e5af026---44869827578.pdfIn PDF document text
  • https://ppuhperspektywa.pl/files/edytor/file/nowipapeso.pdfIn PDF document text
  • https://pima-alarms.net/slicice/file/99331810237.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/161505dbcc97fd---93757941454.pdfIn PDF document text
  • http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614829d37d0bc---venukoz.pdfIn PDF document text
  • http://refpecsbelvaros.hu/kepek/files/34174381387.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=recommendation+letter+sample+for+phd+positionPDF 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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