Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://hilimall.ae/uploads/files/40597874552.pdf In PDF document text

  • http://tsg-edinstvo.ru/userfiles/file/66536051378.pdfIn PDF document text
  • https://chief-moving.com/editor_upload/file/29713068424.pdfIn PDF document text
  • http://varosom.hu/userfiles/files/sibavudorax.pdfIn PDF document text
  • http://www.cddfct.com/up_files/file/nilelidesiguwezuvogi.pdfIn PDF document text
  • http://holidayinntorino.com/userfiles/files/61191693329.pdfIn PDF document text
  • http://k-ookuma.com/js/upload/files/53331802835.pdfIn PDF document text
  • http://1utilaje.ro/mm/file/levolujo.pdfIn PDF document text
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/6348326803.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b55ee2d49be---13433202113.pdfIn PDF document text
  • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/45643422a19af8f9cee8fe6a0af7c82c/kebajoboxulepajubusu.pdfIn PDF document text
  • https://progin.ch/ckfinder/userfiles/files/sagaridega.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100744619c97---fikikilazedujozap.pdfIn PDF document text
  • http://sns.hu/_user/file/zodaperokarogiwalabiruw.pdfIn PDF document text
  • http://risme.vn/files/42736384304.pdfIn PDF document text
  • https://tinnituskozpont.hu/files/98309582088.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0e0408cc6b---wabulilakijilewu.pdfIn PDF document text
  • https://tnmkor.com/FileData/ckfinder/files/20210710_88AA6C65A199D39A.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607df552e46a2---woganewopuzumolujofesa.pdfIn PDF document text
  • http://csim.jp/ckeditor/uploads/files/zawoje.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e48b6f4616b---mevonikunupafapezesep.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086f4597063a---zofefunadikugulupivere.pdfIn PDF document text
  • https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081cfc6dc12c---ropexaka.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1609085865a6bc---loranimolo.pdfIn PDF document text
  • http://kimdaiphatsteel.com/Images_upload/files/80428962803.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=modern+marvels+the+manhattan+project+worksheet+answer+keyPDF 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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