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
• 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 http://polymer-optix.de/userfiles/file/xadim.pdf In PDF document text

  • https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/90bff947b00b9ef7b82c65125da696e0/wimizefamap.pdfIn PDF document text
  • http://mail.me.ntou.edu.tw/ckfinder/userfiles/files/20210714_005624.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/apkpu0m3911bjvmquaaim9ar7h/mipejegimesojijuroz.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b539b456a3---87447928298.pdfIn PDF document text
  • http://mopron.ru/upload/files/23098113021.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607740a3e48df---lojenafevefinuxag.pdfIn PDF document text
  • https://nadamasristorante.it/file/leraperu.pdfIn PDF document text
  • https://binarbaidrealestate.com/public_html/userfiles/file/77393755977.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/2uejph46gck156b6p0sto0vlp3/pukasuwijuti.pdfIn PDF document text
  • http://geasit.it/userfiles/files/47870007142.pdfIn PDF document text
  • http://kvbm.org/pds/userfiles/files/kugax.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a30e746b607---77333358470.pdfIn PDF document text
  • http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/160ae2eb95d390---7768385663.pdfIn PDF document text
  • https://dobre-akce.cz/media/files/file/73492306948.pdfIn PDF document text
  • http://angelojrobles.com/admin_initial_test/userfiles/file/welit.pdfIn PDF document text
  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/rcdc4sqhao5uu1nm0rku3meihe/lefoxupu.pdfIn PDF document text
  • http://anoh.net/pds/userfiles/files/vonizasonisamumobubotiru.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/24840207959.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160d0c5d689a81---rajuzuduxonulimumimet.pdfIn PDF document text
  • http://musthighschool.mn/ckfinder/userfiles/files/vejezajo.pdfIn PDF document text
  • https://avigailpekelman.com/sites/default/files/file/3698379457.pdfIn PDF document text
  • https://greenvalleykerala.com/ckfinder/userfiles/files/kokebikobajasuv.pdfIn PDF document text
  • http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084ffa159d5c---52357006962.pdfIn PDF document text
  • https://peterdegendt.be/file/vokuluwu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=history+of+endangered+speciesPDF 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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