Malicious PDF — malware analysis report

Static analysis result for SHA-256 25c185236ff71377…

MALICIOUS

PDF

429.2 KB Created: 2022-04-04 13:18:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-02
MD5: 6131466c3743a8821eb00e503f333634 SHA-1: a1a8a41fad8c861face002bfefdf279e5a86eb5d SHA-256: 25c185236ff713773e29ad623ae7857271409c56683cf111e9dc0534719facec
106 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3893

Heuristics 5

  • 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.
  • 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://podar.co.za/XSRYdR1H?utm_term=friends+quiz+with+answers+printable PDF link annotation
    • http://www.bufolari.com/public/immagini/file/56208249895.pdfIn PDF document text
    • http://trunglamdecor.com/uploads/userfiles/file/fuxifibewujiza.pdfIn PDF document text
    • https://vrm.vn/kcfinder/upload/files/nuwerupegowitefedeneb.pdfIn PDF document text
    • http://pijntherapie.be/uploads/files/zomipoxeze.pdfIn PDF document text
    • https://totszerdahelyikultura.hu/images/file/36312177285.pdfIn PDF document text
    • http://rendszerguru.hu/admin/kcfinder/upload/files/nafelebitabozuxapeduniwi.pdfIn PDF document text
    • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/16206ea8e8613a---pilufemufanubugigadulozuf.pdfIn PDF document text
    • https://baxojozejaxofo.weebly.com/uploads/1/3/4/5/134586757/guxewudikuxotigo.pdfIn PDF document text
    • https://tapuionoticias.com/ckfinder/files/75711669858.pdfIn PDF document text
    • https://bubibukepuju.weebly.com/uploads/1/4/1/2/141294110/tutuninetisi.pdfIn PDF document text
    • https://biurodluga.pl/files/files/bobujubefoko.pdfIn PDF document text
    • https://congthuonghotel.vn/app/webroot/files/images/pages/files/rasobemi.pdfIn PDF document text
    • http://cyc-catering.pe/disac/userfiles/file/zijal.pdfIn PDF document text
    • http://monthclean.com/uploads/files/202203091229313268.pdfIn PDF document text
    • https://waxevinibiwe.weebly.com/uploads/1/3/0/9/130969944/2183574.pdfIn PDF document text
    • https://mobuverafawez.weebly.com/uploads/1/3/5/3/135346795/7507e6aea2.pdfIn PDF document text
    • https://pelimabogex.weebly.com/uploads/1/3/4/6/134685965/lezoge.pdfIn PDF document text
    • https://jibepame.weebly.com/uploads/1/4/1/2/141283224/8be13eebc60.pdfIn PDF document text
    • http://kantipursecurity.com/userfiles/file/bexamaporizisuragi.pdfIn PDF document text
    • https://www.stc-tn.com/webroot/upload/files/46980275696.pdfIn PDF document text
    • http://lehoangcctv.com/ckeditor/kcfinder/upload/files/tisotitogaba.pdfIn PDF document text
    • http://jlssj.com/qianzi/upfile/case_editor/file/20826343542.pdfIn PDF document text
    • https://sincomerciariospv.com.br/kcfinder/upload/files/30809481235.pdfIn PDF document text
    • https://laurallo.com/ckfinder/userfiles/files/rimadigokinitufapodaso.pdfIn PDF document text
    • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/c0d96164a18250becdb7900207a2451e/97104453578.pdfIn PDF document text
    • http://masan315.net/board/imagefile/file/49238377858.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_off00062980.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00062980.bin)

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00062980.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62980 10876 bytes
SHA-256: a57e1bedac4e8c150ab953a99e431b9307bfd39e7c63373d298a830c1e06f166
font_01_sfnt_off00064227.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64227 20488 bytes
SHA-256: 9495db289c2863ea270fa8645989ce8a8992d4ea0317c4b019b237835041767a
font_02_sfnt_off00067740.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67740 16160 bytes
SHA-256: 4ac500d6e3c0ff81b9d7bba6b662cc1b6c57f4f8b05facc13edcda647588841f
font_03_sfnt_off00068cb8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68CB8 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1