Malicious PDF — malware analysis report

Static analysis result for SHA-256 1911263ffa692605…

MALICIOUS

PDF

217.8 KB Created: 2022-02-01 03:54:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22
MD5: cd98dd6b05ed27dd5cef994c037610fe SHA-1: 18c948315ae849bddf4b2e26a0adeb9696647048 SHA-256: 1911263ffa6926050ffd6cbeef2be099964ee8e34e3c64b94d46b948907b4496
144 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7499

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://fecuq.co.za/XSRYdR1H?utm_term=performance+string.+format+vs+concatenation PDF link annotation
    • http://greenplanetnepal.com/userfiles/file/86497006956.pdfIn PDF document text
    • http://www.juthamasclinic.com/upload/finder/files/jutitawoki.pdfIn PDF document text
    • http://surestegc.org/documentos/file/75755112654.pdfIn PDF document text
    • http://tlumacz-lipno.pl/pdrzewiecki/files/23093050614.pdfIn PDF document text
    • http://sungsam.net/userData/board/file/50504417321.pdfIn PDF document text
    • http://dbrostechnology.com.np/dbros/public/ckeditor/kcfinder/upload/files/50860345055.pdfIn PDF document text
    • http://thietkevang.com/upload/files/wolepiruwamur.pdfIn PDF document text
    • http://szigetkoz-vizitura.hu/admin/kcfinder/upload/files/28899604260.pdfIn PDF document text
    • http://drsuthichai.com/userfiles/files/82142795351.pdfIn PDF document text
    • http://archinfo.ru/uploads/file/72639568049.pdfIn PDF document text
    • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/btbuuomtl11nngjuvde2ro8u65/65605433932.pdfIn PDF document text
    • https://gyn-koe70.de/obrazky/file/fawusuxatuzupavuxedoji.pdfIn PDF document text
    • http://chinahongji.com/d/files/talazadonekotabu.pdfIn PDF document text
    • http://aescantabria.es/upload/fckeditor/file///vumulesazupozorekef.pdfIn PDF document text
    • http://boletos.luzservicos.com/ckfinder/userfiles/files/90192667784.pdfIn PDF document text
    • http://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/vepiroteruzubusepogodo.pdfIn PDF document text
    • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/161bf6736dcc3d---45607967907.pdfIn PDF document text
    • http://artcvajk.friendship-match.com/upload/files/98550787253.pdfIn PDF document text
    • http://ageddfjtjgrade.pretty-match.com/upload/files/62973592403.pdfIn PDF document text
    • https://mobilpetrol.olajpark.hu/files/files/mubosadi.pdfIn PDF document text
    • http://eschool365.in/js/admin/uploadfiles/file/tosoxexixopixabivadeka.pdfIn PDF document text
    • https://fonixkoncert.hu/upload/file/99303415828.pdfIn PDF document text
    • http://comfortreality.sk/userfiles/file/40835268045.pdfIn PDF document text
    • http://vinaaquachem.com/uploads/files/82403766017.pdfIn PDF document text
    • https://hgd.hr/admin/kcfinder/upload/files/nodunipebovudewipavuremuk.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_off0002fa04.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FA04 17540 bytes
SHA-256: ab6d3c212c2098b2cd6c8b43cbcea459be969767a1f897b00a163a24e42db0f9
font_01_sfnt_off0003284a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3284A 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off00033eee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33EEE 10764 bytes
SHA-256: c017ce8b50fb6e60c6ae6d56127bd6a81e359dfb8d536355f66cc630bb64233e

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