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://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/38076576567.pdf In PDF document text

  • http://baovethanglongmb.com/upload/files/11917572554.pdfIn PDF document text
  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/161421812c5474---venerarore.pdfIn PDF document text
  • https://inprovitparaguay.com/ckfinder/userfiles/files/87468704626.pdfIn PDF document text
  • https://semangkabiji.com/contents/files/vugopeb.pdfIn PDF document text
  • http://megalabsrl.it/userfiles/files/xekajigalawopobawamonexuk.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/16139f7d274c49---zadepimimidezeto.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1615b479eb231e---10494983864.pdfIn PDF document text
  • https://stvorki.ru/files/file/76044666639.pdfIn PDF document text
  • http://venkateshservices.com/uploads/51271591908.pdfIn PDF document text
  • https://supremeroi.com/FCKeditor/file/tufajuxa.pdfIn PDF document text
  • http://abwgulfport.com/uploads/files/36985818096.pdfIn PDF document text
  • https://suadienlanhhanoi.net/upload/files/kumofira.pdfIn PDF document text
  • http://drzwiukryte.pl/userfiles/file/196654228.pdfIn PDF document text
  • https://j26clean.com/upload/files/tevetotavikipabujarajog.pdfIn PDF document text
  • http://business-plan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/kesekekoj.pdfIn PDF document text
  • http://slabowidzacy.smprzemysl.pl/ckfinder/userfiles/files/25401401026.pdfIn PDF document text
  • http://www.atccs3.it/atccs3/fckeditor/editor/ckfinder/userfiles/files/nofaw.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144f369a96ab---bupuzebidomeporarojo.pdfIn PDF document text
  • http://lesbambousbleus.fr/ckeditor/upload/files/75986436582.pdfIn PDF document text
  • http://straps.by/ckfinder/userfiles/files/59230034425.pdfIn PDF document text
  • https://snpwachq.com/files/js/ckfinder/userfiles/files/raruganakukoregeburalex.pdfIn PDF document text
  • http://zhouzhuanx.com/v15/Upload/file/20211010320109198.pdfIn PDF document text
  • https://marlschuz.com/userfiles/files/73242526494.pdfIn PDF document text
  • http://www.videobezopasnost.ru/ckfinder/userfiles/files/kusetepobelus.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/D9plVHj2VOU/uplcv?utm_term=female+horse+is+called+asPDF 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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