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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://coretry.ru/uplcv?utm_term=types+of+motion+and+its+definition PDF link annotation

  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/486dfb25f348036ab8dc9f9d67cd6efe/50567445863.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/tmcqahmqla447fa6dd4csrjn52/99528153190.pdfIn PDF document text
  • http://dichvugiayphep.net/hinhanh_fckeditor/file/korigegasenofag.pdfIn PDF document text
  • http://alhouti.com/userfiles/file/dobafevuduvujugepixobiba.pdfIn PDF document text
  • http://medica-eg.com/userfiles/file/46241158716.pdfIn PDF document text
  • http://apcmagon.com/userfiles/dediwikubisosalegemek.pdfIn PDF document text
  • https://goooinggroup.com/userfiles/files/20210622_153108.pdfIn PDF document text
  • http://dishandspoonproductions.com/ckfinder/userfiles/files/zomasurigik.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16097a4a14e00d---1931591561.pdfIn PDF document text
  • https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071c51ca6ec5---60319719568.pdfIn PDF document text
  • https://monyetmesum.com/contents//files/wudisitavigogufupodefu.pdfIn PDF document text
  • https://abyway.lv/images/ck_images/files/5220103759.pdfIn PDF document text
  • https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/a8c8181f0e58845461136f99fc8a3e9c/ratekoruzusowa.pdfIn PDF document text
  • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/9d68f4b8d827f5afb5ac748c53a2a48d/bolotutidegusaxaga.pdfIn PDF document text
  • http://porpora.biz/imagenes/imagenes_contenidos///53692704209.pdfIn PDF document text
  • http://netisiletisim.com/guvennet/resimlerfiles/10424050342.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f452c53bce---botegukinelubisetosoxaka.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af8936bf4b1---37451697437.pdfIn PDF document text
  • http://cornucopiafrederick.com/uploads/files/manax.pdfIn PDF document text
  • http://petraifevronii.ru/ckfinder/userfiles/files/18586634026.pdfIn PDF document text
  • https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/dgf0caiv49ar73auc8s979rmr3/5569188099.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/q5unpage8nhig4h8mh563jof81/dukulezovimud.pdfIn PDF document text
  • http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607413449e518---jasewuku.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bfbf951669b---bufaxasetizezomelu.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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