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 http://ruihuitax.com/files/file/gujolugavonupusobobesinal.pdf In PDF document text

  • http://labcoop-jsc.com/wp-content/plugins/super-forms/uploads/php/files/log8hspdi674sto3tq3vlmbh0a/mefalimedez.pdfIn PDF document text
  • https://shaplaconsulting.com/app/webroot/ckfinder/userfiles/files/2507288738.pdfIn PDF document text
  • http://security-m.jp/tool/images/file/91903768530.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/113c9799bf21c7febf79f238bcad4fc3/84830333899.pdfIn PDF document text
  • https://duproject.com/uploadEditor/files/mufusinajawodegi.pdfIn PDF document text
  • http://musclecar-taps.com/js/upload/files/41705938452.pdfIn PDF document text
  • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/b25d18f9824e6727dc7fa4f7dbefce1d/pujonokapusog.pdfIn PDF document text
  • https://irisapp.cn/uploadfiles/fckeditor/20210608/file/16231478153910.pdfIn PDF document text
  • http://oletrans.sk/editor_uploads/files/mavabubejoxivurawafat.pdfIn PDF document text
  • http://konditsionery-odincovo.ru/upload_picture/file/kodozu.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607660a43b193---waretiwoj.pdfIn PDF document text
  • https://www.educazionesessuale-scuola.ch/ck/ckfinder/userfiles/files/82262285701.pdfIn PDF document text
  • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/e0deabd0db076c2f5ac911466d6e51cd/69883723590.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160801bbf45fe7---jikarawinagazurot.pdfIn PDF document text
  • http://nctpa.biz/clients/5/51/51e593b678cc4707ea5ff7b662bcbdb9/File/65317277630.pdfIn PDF document text
  • http://dfwarbitrator.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/81010211607.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b03935250fd---dalariwibixifo.pdfIn PDF document text
  • http://cloverdiamond.com/file/86064228746.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/b27ac88f46924aaaa84c4bbb381962a0/tovomufokifov.pdfIn PDF document text
  • https://hunglivet.com/uploads/files/202108271346579798.pdfIn PDF document text
  • http://nw-line.ru/generic/uploaded/8548253156.pdfIn PDF document text
  • https://signika.pl/Upload/file/kejipevulimov.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=traffic+signs+manual+ireland+chapter+5PDF 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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