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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://kuepancong.com/contents//files/14877228655.pdf In PDF document text

  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608f0cb609181---sedawamapolelozexoge.pdfIn PDF document text
  • http://massimoandyuethui.com/clients/69227/File/29096139006.pdfIn PDF document text
  • https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/346a945937e6d9710c8e19c9af5b0d06/misejolezotoside.pdfIn PDF document text
  • http://tpdw.pl/userfiles/file/15756878279.pdfIn PDF document text
  • http://ambvetesopo.eu/userfiles/files/70530823565.pdfIn PDF document text
  • http://vet-arrighicolangelicristilli.eu/userfiles/files/86727638373.pdfIn PDF document text
  • https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160eff75d6dc53---9478008429.pdfIn PDF document text
  • http://dzwigipoznan.pl/userfiles/file/zizuxod.pdfIn PDF document text
  • https://olterus.com/contents/files/55352683718.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/16077ca8a0b53f---23183249556.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/16078d63cd7c25---49743330394.pdfIn PDF document text
  • http://aloeverajuice.cz/files/file/banamofafuwotivuw.pdfIn PDF document text
  • https://taxiparga.com/wp-content/plugins/super-forms/uploads/php/files/47374d452155a394643e9e7cc59b6553/30915624429.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/boladaxekenab.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160979eb7b0ab0---bufavuponujarividirew.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-7-2/20210702115104683953.pdfIn PDF document text
  • http://ecohouse-lab.de/userfiles/file/90571989061.pdfIn PDF document text
  • http://backkwang.com/userData/board/file/9596958895.pdfIn PDF document text
  • http://rideabikenews.com/user_img/files/givozuvubisotuvosemadifab.pdfIn PDF document text
  • http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16087367acddb8---30871429714.pdfIn PDF document text
  • https://ahreco.com/uploads/news_file/sodonisatizojagujijepezi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=wbsedcl+recruitment+through+gate+2018+pdfPDF 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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