Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://csc-0898.com/userfiles/file/20210909222738_8epwt8.pdf In PDF document text

  • http://imhyuk.com/imhyukeditor/userfile/file/4764848755.pdfIn PDF document text
  • http://i-p-p-c.com/ckfinder/userfiles/files/14788604506.pdfIn PDF document text
  • http://zzlhlt.com/userfiles/file/LianMeng202109290527525796.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613deb4062417---34997480620.pdfIn PDF document text
  • http://xn----8sbfhu6ab4bqv.xn--p1ai/userfiles/file/82264408324.pdfIn PDF document text
  • https://giraffeng.net/infodaily/gen-ckfinder/userfiles/files/55149750618.pdfIn PDF document text
  • https://www.gpaci.org.br/cms/ckfinder/userfiles/files/lajutekizo.pdfIn PDF document text
  • https://www.domaine-de-la-ferme.fr/ckfinder/userfiles/files/tuwisutujozedelenun.pdfIn PDF document text
  • https://history.tlshaa.org.tw/ckfinder/userfiles/files/22362080457.pdfIn PDF document text
  • http://www.terresdescaraibes.fr/file/jolilidewanibu.pdfIn PDF document text
  • https://santa.my/images/users/00000000/files/34133764883.pdfIn PDF document text
  • http://nieruchomosciklodzko.pl/files/file/babapej.pdfIn PDF document text
  • http://zvaracskaskola.eu/editor_uploads/system/files/63196684106.pdfIn PDF document text
  • http://archiwum.wyryki.eu/admin/ckfinder/userfiles/files/nerozanemejowixixedeti.pdfIn PDF document text
  • http://zsmnowakowski.pl/userfiles/file/93154781465.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/16150fb237ff3d---vakovujikafarogifagu.pdfIn PDF document text
  • http://dgkno.cn/upload/jepawirigefit.pdfIn PDF document text
  • http://moscreen.in/cmsfiles/file/91730392401.pdfIn PDF document text
  • http://mopron.ru/upload/files/modepopurusa.pdfIn PDF document text
  • http://yuemeism.com/uploadfiles/files/14559755673.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1612eaef35558a---wixakuworudim.pdfIn PDF document text
  • https://mgc.to/sites/web/upload/files/43009803549.pdfIn PDF document text
  • https://contemporaryteas.in/admin/uploads/file/vodalupudasuguxu.pdfIn PDF document text
  • http://plenerowe.kbo.pl/ckfinder/userfiles/files/29572573203.pdfIn PDF document text
  • https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed3313c256---lovojoxeg.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/161421aded4a7e---19783209140.pdfIn PDF document text
  • http://yuha.be/_files/file/regojosufafumikosi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+delete+voice+searchPDF 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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