Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2ff741ab56250e7…

MALICIOUS

PDF

73.3 KB Created: 2022-04-11 22:47:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-13
MD5: 2e03307297175ee001612254c36fc93f SHA-1: f4e6579b131562e5afb60b163a02ed90d17aa005 SHA-256: f2ff741ab56250e7f91bb5dd33a85c0d6cd483ba78c64f3baf01e51787390304
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • 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 https://tevav.co.za/YmrXLWy8?keyword=what%20is%20a%20good%20sentence%20for%20parallel%20structure PDF link annotation
    • http://sevoir.hu/uploads/file/fetiboridufezinaluxukuv.pdfIn PDF document text
    • http://massageindex.nl/images/uploads/19440895435.pdfIn PDF document text
    • https://pazerutafu.weebly.com/uploads/1/3/5/3/135392620/xipunuzigew_zafexeju.pdfIn PDF document text
    • https://przedszkolenisko.pl/userfiles/file/tozewol.pdfIn PDF document text
    • http://luisacortesearchitetto.it/userfiles/files/58694368967.pdfIn PDF document text
    • https://lewemesabis.weebly.com/uploads/1/3/4/7/134734043/4911852.pdfIn PDF document text
    • http://sangtaoad.com/uploads/userfiles/file/42423511294.pdfIn PDF document text
    • https://zisuwurelexutik.weebly.com/uploads/1/3/4/6/134668326/pufajitifi_buzojoxotazotad_gegix.pdfIn PDF document text
    • https://minhjazzvietnam.com/kcfinder/upload/files/44884081381.pdfIn PDF document text
    • https://lajexupizad.weebly.com/uploads/1/3/0/7/130775806/vabefomasutufivam.pdfIn PDF document text
    • http://peach2560.xyz/js/ckfinder/userfiles/files/46021376187.pdfIn PDF document text
    • http://sro52.ru/uploads/files/mebelakezadire.pdfIn PDF document text
    • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/162366c295e867---fagulalululorurofek.pdfIn PDF document text
    • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/3c2e987ada1060dc745fa18c07c92371/pedonunenofovunabot.pdfIn PDF document text
    • http://fukushigetakahiro.jp/pic/files/73845271252.pdfIn PDF document text
    • https://samoinstitute.mn/uploads/assets/file/14470162311.pdfIn PDF document text
    • http://amanetauto.eu/kcfinder/upload/files/2318756369.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000baa5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBAA5 16868 bytes
SHA-256: fea49c0218fb6583a1845ef7f5114863d48356284318865faf2999667d903751
font_01_sfnt_off0000e629.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE629 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000fe40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE40 10992 bytes
SHA-256: 2769b189d3d0c3d391897eacd748006b7e6f42ad623cede9a9b935c821f21913

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