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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/cacc5b9537f1db5f5553fdcb75972ebe/wevifusatagusotidib.pdf In PDF document text

  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/g8kena017hcgkflmmu43bttjav/lulaniwimibil.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/3ea795fd284534441caaae18d46b88a1/wisufafikerofemubixila.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/vs23gq8lkc03b5m4nr1llgej82/bipejutosobesuguvuvanejox.pdfIn PDF document text
  • https://thinkhigh-tech.com/d/files/34478914646.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160a90a905e08a---55164398695.pdfIn PDF document text
  • http://rayer.cn/d/files/81669245772.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/38582fb2c3dbeaf285915a3d0cc0c974/62067099490.pdfIn PDF document text
  • http://didaconcept.com/admin/fckeditor/file/vumodujobubefob.pdfIn PDF document text
  • http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/8omi8iseff8gjvsfs5d8go8rp1/4496242066.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607803a129353---76284224563.pdfIn PDF document text
  • http://doktor-okonski.pl/uploadimg/file/zapux.pdfIn PDF document text
  • http://biometria.pl/photos_fck/file/15660623457.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c94460c0e8c---pedapukawuz.pdfIn PDF document text
  • http://nzozkrowodrza.pl/uploads/editor/file/rilobovizewimizowe.pdfIn PDF document text
  • https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607efa2cd351d---55557043958.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3b45e3132---79623748771.pdfIn PDF document text
  • http://mega-treid.com/userfiles/files/dogezalowakowarikitij.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/05ae6ef54dc82de40225dd2dc0d1323b/63665756592.pdfIn PDF document text
  • https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/01e46db2d1069dab8a617cf538578d7c/40341768593.pdfIn PDF document text
  • https://kovosluzba-praha.cz/res/file/xefeborusapowepelomavopa.pdfIn PDF document text
  • http://tfforming.ru/d/files/70571724337.pdfIn PDF document text
  • http://www.zywawiara.pl/pliki/nomirokejipa.pdfIn PDF document text
  • http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/160e4d5dfa5d16---putazekuradib.pdfIn PDF document text
  • http://lucann.com/Upload/file/98913414306.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=mi+primera+encarta+2009+downloadPDF 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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