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.
• 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://laborke.ru/uplcv?utm_term=tv+rai+su+android PDF link annotation

  • http://alburigiott.it/userfiles/files/84533437807.pdfIn PDF document text
  • https://pilot-nav.com/ckfinder/userfiles/files/15961260012.pdfIn PDF document text
  • https://www.sistemkabin.com/ckfinder/userfiles/files/96607420179.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae798b2985---78950855265.pdfIn PDF document text
  • http://vattuxaydunghl.com/userfiles/file/newixitixijagizedakinow.pdfIn PDF document text
  • http://www.tamtrebinhminh.com/public/files/vujidobalazulisesewosag.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161358487a3b9f---77770819242.pdfIn PDF document text
  • http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/5febccff782169f84ddbfdb5c1108a5a/7820377637.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/f2msuk8am792o7q9t4kn5ndfv3/nadezurit.pdfIn PDF document text
  • http://bjsddesign.com/filespath/files/20210911110643.pdfIn PDF document text
  • http://fasson.vip/images/editor/files/ligadedazanan.pdfIn PDF document text
  • http://www.bash.cl/media/file/19968811280.pdfIn PDF document text
  • http://garageanything.com/js/upload/files/dosidazidebota.pdfIn PDF document text
  • https://xn--z4qq44i.xn--kpry57d/upload/actfiles/70696092970.pdfIn PDF document text
  • http://npk-bypassdrr2.com/file_media/file_image/file/49044297722.pdfIn PDF document text
  • http://nadiadsa.org/userfiles/file/kadagosirutevibulak.pdfIn PDF document text
  • https://elpollopaulino.com/cenavarra_userfiles/files/likuxivenizav.pdfIn PDF document text
  • https://limsurempat.com/contents/files/44325227631.pdfIn PDF document text
  • https://harteron.ee/userfiles/file/60945581239.pdfIn PDF document text
  • http://studiogiamberardino.it/userfiles/files/229614215.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/45b4bf15e989f24501a246f6996d7dea/71486431207.pdfIn PDF document text
  • https://spacio.hk/attachment/file/rosupegexojavogefamiwu.pdfIn PDF document text
  • http://www.detskaoptika.cz/ckfinder/userfiles/files/sazuxosabewodamusesaz.pdfIn PDF document text
  • http://parquet-cortes.fr/data/Files/tutesezij.pdfIn PDF document text
  • http://happinessgown.com/upload/users/files/8868770933.pdfIn PDF document text
  • http://aaaexpressheating.com/userfiles/file/38135996060.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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