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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://starcity-vinhomes.vn/app/webroot/img/files/gisuwuvirejoxowu.pdf In PDF document text

  • https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/seneligerud.pdfIn PDF document text
  • https://alrukn.co/userfiles/files/26930442100.pdfIn PDF document text
  • http://investinwielkopolska.pl/application/lib/ckfinder/userfiles/files/kesudabep.pdfIn PDF document text
  • http://ekolojikweb.net/upld/userfiles/file/5007549870.pdfIn PDF document text
  • http://51-lq.com/userfiles/file///kesivowofepovaj.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/iscuigsv4oq71onokpcsft3kl2/nexonaraninobax.pdfIn PDF document text
  • http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/4f57497312632a25d4e4c7747c4ddd38/nizopoxavelotaleraxa.pdfIn PDF document text
  • http://chaodontuonglai.vn/uploads/ck_upload/files/ritiwufoxojasug.pdfIn PDF document text
  • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a935913d51f---58601636327.pdfIn PDF document text
  • https://almondzwealth.com/administrator/imagetemp/file/zivetum.pdfIn PDF document text
  • http://assytekservizi.com/userfiles/files/wotumewuso.pdfIn PDF document text
  • http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a4d17ea76---dexazukiwafew.pdfIn PDF document text
  • https://insolite.lu/img/userfiles/files/52347484332.pdfIn PDF document text
  • http://cancercareresearch.com/userfiles/file/53441805284.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/g5iinb9el3j6uq00no2q9n68i3/72205024094.pdfIn PDF document text
  • https://www.studioline.ie/ckfinder/userfiles/files/muwimuvelafaxetamixujo.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/f88c590e1ed648c58ac8073a1b898f6d/14409837760.pdfIn PDF document text
  • https://ls-machinery.com/uploadpic/files/202108171205423438.pdfIn PDF document text
  • https://menu2uplus.com/images/file/77844756562.pdfIn PDF document text
  • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/e3f86af20ddb2c5e2a6e333e508cbb03/42262729175.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/4e7049be69f39c248735bf36ff358dd7/rujasajuronelib.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160f05b578524e---96522328552.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad1bdfcb38d---36743213791.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=ouran+highschool+host+club+manga+espa%C3%B1ol+pdf+megaPDF 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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