Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PHP webshell / backdoor source critical WEBSHELL_PHP
  The file contains PHP server-side code with the signature of a webshell/backdoor (named PHP webshell banner (madspot)). A webshell takes attacker input from an HTTP request and runs commands/code on the server. Flagged as a malicious hacktool artifact even when carried inside a document or archive — the code does not execute from the carrier, but the file is a webshell.
• 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://madspot.dk/ckfinder/userfiles/files/34152727153.pdf In PDF document text

  • https://tch.lu/files/files/38131828980.pdfIn PDF document text
  • http://packturf.fr/files/45250265517.pdfIn PDF document text
  • https://generalaudit.pl/eurostyl/photos/file/lifojivikuzi.pdfIn PDF document text
  • https://mut-zur-veraenderung-hambuch.de/userfiles/file/zerakivomidatun.pdfIn PDF document text
  • http://dayou.tw/uploadpic/files/202111140422127333.pdfIn PDF document text
  • http://wx-bm.cn/upload/ckimg/files/202111032114352965.pdfIn PDF document text
  • https://yodishit.com/uploads/userfiles/file/mukapubamijezekigeririnov.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/f54a2397295645738aabe24854883478/pisogoforepoluvusu.pdfIn PDF document text
  • http://vangphutai.com/images/uploads/files/21551397426.pdfIn PDF document text
  • http://tenis-klubmoj.si/uporabnik/file/juziluxoroxinigisore.pdfIn PDF document text
  • https://leonardscopysystems.com/home/leonards/public_html/ckfinder/userfiles/files/tegadonezaf.pdfIn PDF document text
  • http://nhuahoanglong.com/luutru/files/lonewevilixuwiwabase.pdfIn PDF document text
  • https://corpeverest.com/ckfinder/userfiles/files/61965305675.pdfIn PDF document text
  • http://smflow.in/admin/uploads/file/45807217595.pdfIn PDF document text
  • https://guanlai.tw/uploads/files/202111160804533132.pdfIn PDF document text
  • http://zenithmetals.com/files/zutogerejozibapax.pdfIn PDF document text
  • http://grabnerestriche.at/zujatudalededabalu.pdfIn PDF document text
  • http://giustizianuova.it/userfiles/file/pejimixuxegavejasiganeres.pdfIn PDF document text
  • http://keletunderground.hu/images/uploaded_pics/file/jebinakuruwupekalaran.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/guvemepafamarozoniv.pdfIn PDF document text
  • http://hitplus.eu/userfiles/file/82101621913.pdfIn PDF document text
  • http://ippinnudon.com/uploads/files/21086171928.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/RC0zOYPQW8A/uplcv?utm_term=anima+beyond+fantasy+character+sheet+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 extracted file (font_00_sfnt_off0000d9c5.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000d9c5.bin)

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