Malicious PDF — malware analysis report

Static analysis result for SHA-256 a4f8d46c49902a14…

MALICIOUS

PDF

88.3 KB Created: 2022-03-30 21:43:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-01
MD5: 2c96879bb058aec9ef0eeaa166bccf4b SHA-1: 4a67f0c158e4fd78c0073615f611181e34341247 SHA-256: a4f8d46c49902a146ebd1d08a9d369654e6a9ed526f5a295787fc0cc8fc73eb8
96 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://yubit.co.za/YmrXLWy8?keyword=vygotsky PDF link annotation
    • http://bjjiffy.com/upload/54985105694.pdfIn PDF document text
    • https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/ac2a9fee8e3c5d646eb018e40fc93cb1/11927119009.pdfIn PDF document text
    • http://upnbkk.com/file_media/file_image/file/xapinusekepolisokabadi.pdfIn PDF document text
    • http://egimmo.ch/kcfinder/upload/files/17505809881.pdfIn PDF document text
    • https://gazezujebek.weebly.com/uploads/1/3/4/8/134881616/1225114.pdfIn PDF document text
    • http://www.auberdiffusion.com/ckeditor/kcfinder/upload/files/40759783092.pdfIn PDF document text
    • https://movalibixijol.weebly.com/uploads/1/3/2/6/132682530/4fea8d.pdfIn PDF document text
    • http://elateridae.com/images/FCKeditor/file/kewuwiwusazorem.pdfIn PDF document text
    • http://www.luchpain.ru/kcfinder/upload/files/11873860600.pdfIn PDF document text
    • https://gulesome.weebly.com/uploads/1/3/4/4/134496781/gexek.pdfIn PDF document text
    • http://gazduire-domeniu.com/UserFiles/file/tepogemosopemu.pdfIn PDF document text
    • https://netiko.fr/img/Data/file/lojopek.pdfIn PDF document text
    • http://www.likoda.com.tw/upload/ckimg/files/wiwiwajako.pdfIn PDF document text
    • http://cambresisemploi.fr/ckfinder/userfiles/files/vejavegizuk.pdfIn PDF document text
    • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16203169a32737---85175498389.pdfIn PDF document text
    • https://luxury77.com/kcfinder/upload/files/fofuzijobalino.pdfIn PDF document text
    • http://brilspa.ro/userfiles/file///41528958698.pdfIn PDF document text
    • http://bvphcn.bdata.vn/upload/files/89474665756.pdfIn PDF document text
    • https://globalybm.com/ckfinder/userfiles/files/1645415842.pdfIn PDF document text
    • https://epponline.com/mentorfinancial/page_images/file/17491167348.pdfIn PDF document text
    • https://kccegis.com/upfiles/content/file/20220325123124.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 extracted file (font_00_sfnt_off0000f3b0.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000f3b0.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f3b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3B0 17172 bytes
SHA-256: 4bd5c638f3419506213bfaf01017e6f0115567e85a65b51d3e6d7c31b864b9d7
font_01_sfnt_off000120e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x120E0 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off00013784.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13784 11444 bytes
SHA-256: 92a63974f40642de9d0d898c9f90acdb65685d82849baa7f7ee6b1009b4e3b1f