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://catamma.ru/uplcv?utm_term=house+party+game+download+apk PDF link annotation

  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4e1093de4---9975810394.pdfIn PDF document text
  • http://fs-select.com/images/blog/file/32064975910.pdfIn PDF document text
  • https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/e8c125ce7869fa1b301bb2a598f08601/18715266375.pdfIn PDF document text
  • http://baiduvpn.com/upload/files/27586738900.pdfIn PDF document text
  • http://dasbluemchen.com/potek.pdfIn PDF document text
  • https://holcom-wd.holcom.vn/webroot/img/files/bisonivuwes.pdfIn PDF document text
  • https://rougezenekar.hu/files/file/xosuwusafebilovaxutir.pdfIn PDF document text
  • http://burattinojatek.hu/userfiles/file/11598239503.pdfIn PDF document text
  • http://thrifthelp.com/flash/thrifthelp.com/file/41938082554.pdfIn PDF document text
  • https://daulte.com/ckfinder/userfiles/files/87896866471.pdfIn PDF document text
  • http://labmansour.com/app/webroot/js/ckfinder/userfiles/files/54333446296.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/d8e3ab663f92be6bd31b3ca9375b5f7b/77497312370.pdfIn PDF document text
  • http://theemasternetworker.com/ckfinder/userfiles/files/fopabufux.pdfIn PDF document text
  • https://used-machinetools.ro/app/webroot/files/userfiles/files/12505027817.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/b34ea49fca161a00610876114978eca0/43144004523.pdfIn PDF document text
  • http://zhfangyuan.com/uploadfiles/files/gifuzana.pdfIn PDF document text
  • https://angelsolutions.ro/ckeditor/ckfinder/userfiles/files/zutelutigugitu.pdfIn PDF document text
  • http://all-paca.com/ckeditor/ckfinder/core/connector/php/uploads/files/54785893456.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16137568c37c72---84248712712.pdfIn PDF document text
  • https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/55204485856.pdfIn PDF document text
  • http://www.greenfield-sustainability.com/images/files/getasugomarulaseleder.pdfIn PDF document text
  • https://kaxtongroup.com/home5/maxconne/public_html/kaxtongroup/assets/images/newspostimages/files/78399583282.pdfIn PDF document text
  • https://underworldgear.com/upload/users/files/wuwuvanuzekufogitunu.pdfIn PDF document text
  • https://matteagianotti.ch/userfiles/files/kejumisofo.pdfIn PDF document text
  • 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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