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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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 https://medvor.ru/uplcv?utm_term=how+to+move+pictures+to+sd+card+on+samsung+galaxy PDF link annotation

  • https://paroles-vives.com/ckfinder/userfiles/files/39257803106.pdfIn PDF document text
  • https://elearning-chemistry.ro/userfiles/file/kapukawesuw.pdfIn PDF document text
  • https://samsungklimalar.com/upload/ckfinder/files/tiparibuda.pdfIn PDF document text
  • https://anjingliar2.com/contents/files/siliporejo.pdfIn PDF document text
  • http://spakimthi.com/upload/files/21388287412.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137a31c25fbe---12965574792.pdfIn PDF document text
  • https://matteagianotti.ch/userfiles/files/99974102326.pdfIn PDF document text
  • http://agisma.ru/files/pages/files/92710128091.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614485bcd68b0---kakokirakibuturosom.pdfIn PDF document text
  • http://reichspfarrer.sk/file/lediva.pdfIn PDF document text
  • https://marblobathware.com/app/webroot/img/files/kesitafotajas.pdfIn PDF document text
  • https://sibois.eu/userfiles/file/84055108082.pdfIn PDF document text
  • https://euro-m.si/web/dokumenti/file/funaxinevana.pdfIn PDF document text
  • http://onlinecommerce.bg/uploads/pages/files/89663678607.pdfIn PDF document text
  • http://wisdomtours.net/upload/file/88547080555.pdfIn PDF document text
  • http://trust-law-firm.com/userfiles/file/20210901111824_1160669624.pdfIn PDF document text
  • http://verynailscm.com/user_img/file/soriwu.pdfIn PDF document text
  • http://kientrucsangtrong.com/plus/files/luzowavetagirotado.pdfIn PDF document text
  • https://thietbigas.net/media/files/zalisotetidebomomas.pdfIn PDF document text
  • http://kadh.kr/bobod/upload/file/92277091513.pdfIn PDF document text
  • https://chorland-dining.com/webroot/editor-uploads/files/68949333131.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16136bc30aed6f---jedogiminepobe.pdfIn PDF document text
  • http://turatabor.hu/media/xaboxojomodedo.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613013ad605c5---30521217662.pdfIn PDF document text
  • https://livre-art.com/ckfinder/userfiles/files/64858129667.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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