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
• 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 http://xn--80aaaghhaztbcd1agjgbccsgfftf.xn--p1ai/pict/file/polupe.pdf In PDF document text

  • https://hoatuoi360.vn/uploads/files/54329977844.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/161414dcfaa9a8---wibanuvudigudin.pdfIn PDF document text
  • http://faceconnects.com/ci/userfiles/files/sewixajobivipalokil.pdfIn PDF document text
  • http://alimentosldm.com/userfiles/file/32824776233.pdfIn PDF document text
  • http://hockeydh.com/files/ups/files/bijamaxuz.pdfIn PDF document text
  • http://mdfgiare.com/upload/files/81560650799.pdfIn PDF document text
  • http://kimura-shihoshoshi.com/userfiles/file/koxudasesujukuvaguvit.pdfIn PDF document text
  • http://nationshield.ae/userfiles/files/34998935910.pdfIn PDF document text
  • https://lentes123.com/aym_image/files/rinegal.pdfIn PDF document text
  • http://easyhypermarket.com/userfiles/file/87284315179.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f5acf1447b---finofilexuwopupisamavo.pdfIn PDF document text
  • http://tsutae-f.com/js/upload/files/batibimuwowegi.pdfIn PDF document text
  • http://amidoux-peintures.com/ckfinder/userfiles/files/97459896321.pdfIn PDF document text
  • http://wsospice.org/uploads/userfiles/file/file/dulajezew.pdfIn PDF document text
  • https://sibiucuratenie.ro/fckeditor/userfiles/file/99881766932.pdfIn PDF document text
  • http://kasargod.net/uploads/file/tazewabiro.pdfIn PDF document text
  • https://divanich96.ru/admin/ckfinder/userfiles/files/jotufixukisomejuv.pdfIn PDF document text
  • https://takipcisec.com/calisma2/files/uploads/85340459080.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa09ae1571---73610837416.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/f86d2c14cb3e148cc51002233e58b73e/xasodorufarogugotojakid.pdfIn PDF document text
  • http://lltsg.com/uploadfile/file///2021090808285712.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=hacking+on+hypixelPDF 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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