Malicious PDF — malware analysis report

Static analysis result for SHA-256 425bcf71ecb2e0b9…

MALICIOUS

PDF

293.6 KB Created: 2025-07-22 01:40:55 +03:00 Authoring application: 376377000w000k000h000t000m000l000t000o000p000d000f000 0000000.00010002000.0006 (via GPL Ghostscript 9.53.3) First seen: 2026-06-15
MD5: c914f934541497bbcab9252ba3307cbd SHA-1: 0c789c67cee21ec162cb36f7e21ae59ef439b415 SHA-256: 425bcf71ecb2e0b93e6ee71919b4060e4cdb8033471af54dcabd7b73fb683abe
86 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0346

Heuristics 5

  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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 http://lse.hu/userfiles/file/1f7947b9-dd83-4130-b966-86cd8e7ae529.pdf In PDF document text
    • http://zoekidsworld.com/userfiles/file/8ca3454f-1a80-42f1-ab6a-2407d8f7e381.pdfIn PDF document text
    • https://birdwatching.sk/media/file/48703108040.pdfIn PDF document text
    • http://epoxidice.ro/mm/file/86056652456.pdfIn PDF document text
    • http://romangruszecki.com/uploaded/file/70263748073.pdfIn PDF document text
    • https://vakaruinzinerija.lt/userfiles/file/86650142696.pdfIn PDF document text
    • http://hnzyap.com/userfiles/file/20250711021123_862798484.pdfIn PDF document text
    • https://ateliermalec.cz/file/zitoripog.pdfIn PDF document text
    • https://greassi.com/editor_upload/file/10138181143.pdfIn PDF document text
    • http://lexuspolymers.com/assets/ckfinder/userfiles/files/3e38b4e3-02d6-498c-b372-2518d1cd5751.pdfIn PDF document text
    • https://aspire-plus.com/bci/www/img/file/30726597656.pdfIn PDF document text
    • https://exim5.hu/_user/file/89daaece-0f30-4217-9e5f-0007fd208033.pdfIn PDF document text
    • http://yamatonokuni.com/data/files/16218511630.pdfIn PDF document text
    • http://grancanariacomercio.com/documentos/file/70756390474.pdfIn PDF document text
    • https://parotovabbkepzes.hu/img/upload/files/dewera.pdfIn PDF document text
    • http://johnledesma.com/userfiles/file/zidim-nazufonejogufam-rutojo-loruwatipu-pakemirurow.pdfIn PDF document text
    • http://thepnguyentran.com/media/ftp/file/30577272187.pdfIn PDF document text
    • http://ghalemdi.com/userfiles/file/d5cc2ba1-6200-4046-8e64-8c16d3fa6574.pdfIn PDF document text
    • http://guohengtj.com/UploadFiles/file/20250710233554245.pdfIn PDF document text
    • https://zotoxumogev.godoxevez.com/568353324208534207275418787443263772047191?fikikajuxemumejixepixozijuxatut=kagoporaxediwadadekexutugomigimufepubixuritijepobitoxurinudobojiwobabipuwukugokufenilaketomugudolibogotevudixukolojuniviwijiberamupanesibunabilejasurapaxexasotomepemexitixokedalelepopafanixusamomedegokir&utm_term=la+mejor+app+para+conseguir+diamantes+gratis+en+free+fire&zelurumirosulomakisozopedolapunadatunakekisizijijojofiwopawepalilokalevedo=matisadaroxizezuvalowobakoribepolexelenuwopefezutivanetimuzujusoratodurewarozomibigutigajekojolojokex)/Type/ActionIn PDF document text
    • http://lse.hu/userfiles/file/1f7947b9-dd83-4130-b966-86cd8e7ae529.pdf)/Type/ActionIn PDF document text
    • http://zoekidsworld.com/userfiles/file/8ca3454f-1a80-42f1-ab6a-2407d8f7e381.pdf)/Type/ActionIn PDF document text
    • https://birdwatching.sk/media/file/48703108040.pdf)/Type/ActionIn PDF document text
    • http://epoxidice.ro/mm/file/86056652456.pdf)/Type/ActionIn PDF document text
    • http://romangruszecki.com/uploaded/file/70263748073.pdf)/Type/ActionIn PDF document text
    • https://vakaruinzinerija.lt/userfiles/file/86650142696.pdf)/Type/ActionIn PDF document text
    • http://hnzyap.com/userfiles/file/20250711021123_862798484.pdf)/Type/ActionIn PDF document text
    • https://ateliermalec.cz/file/zitoripog.pdf)/Type/ActionIn PDF document text
    • https://greassi.com/editor_upload/file/10138181143.pdf)/Type/ActionIn PDF document text
    • http://lexuspolymers.com/assets/ckfinder/userfiles/files/3e38b4e3-02d6-498c-b372-2518d1cd5751.pdf)/Type/ActionIn PDF document text
    • https://aspire-plus.com/bci/www/img/file/30726597656.pdf)/Type/ActionIn PDF document text
    • https://exim5.hu/_user/file/89daaece-0f30-4217-9e5f-0007fd208033.pdf)/Type/ActionIn PDF document text
    • http://yamatonokuni.com/data/files/16218511630.pdf)/Type/ActionIn PDF document text
    • http://grancanariacomercio.com/documentos/file/70756390474.pdf)/Type/ActionIn PDF document text
    • https://parotovabbkepzes.hu/img/upload/files/dewera.pdf)/Type/ActionIn PDF document text
    • http://johnledesma.com/userfiles/file/zidim-nazufonejogufam-rutojo-loruwatipu-pakemirurow.pdf)/Type/ActionIn PDF document text
    • http://thepnguyentran.com/media/ftp/file/30577272187.pdf)/Type/ActionIn PDF document text
    • http://ghalemdi.com/userfiles/file/d5cc2ba1-6200-4046-8e64-8c16d3fa6574.pdf)/Type/ActionIn PDF document text
    • http://guohengtj.com/UploadFiles/file/20250710233554245.pdf)/Type/ActionIn PDF document text
    • https://zotoxumogev.godoxevez.com/568353324208534207275418787443263772047191?fikikajuxemumejixepixozijuxatut=kagoporaxediwadadekexutugomigimufepubixuritijepobitoxurinudobojiwobabipuwukugokufenilaketomugudolibogotevudixukolojuniviwijiberamupanesibunabilejasurapaxexasotomepemexitixokedalelepopafanixusPDF link annotation
    • https://zotoxumogev.godoxevez.com/568353324208534207275418787443263772047191?fikikajuxemumejixepixozijuxatut=kagoporaxediwadadekexutugomigimufepubixuritijepobitoxurinudobojiwobabipuwukugokufenilaketomugudolibogotevudixukolojuniviwijiberamupanesibunabilejasurapaxexasotomepemexitixokedalelepopafanixusamomedegokir&utm_term=la+mejor+app+para+conseguir+diamantes+gratis+en+free+fire&zelurumirosulomakisozopedolapunadatunakekisizijijojofiwopawepalilokalevedo=matisadaroxizezuvalowobakoribepolexelenuwopefPDF link annotation
    • https://zotoxumogev.godoxevez.com/568353324208534207275418787443263772047191?fikikajuxemumejixepixozijuxatut=kagoporaxediwadadekexutugomigimufepubixuritijepobitoxurinudobojiwobabipuwukugokufenilaketomugudolibogotevudixukolojuniviwijiberamupanesibunabilejasurapaxexasotomepemexitixokedalelepopafanixusamomedegokir&utm_term=la+mejor+app+para+conseguir+diamantes+gratis+en+free+fire&zelurumirosulomakisozopedolapunadatunakekisizijijojofiwopawepalilokalevedo=matisadaroxizezuvalowobakoribepolexelenuwopefezutivanetimuzujusoratodurewarozomibigutigajekojolojokexIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://ns.adobe.com/iX/1.0/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://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00046651.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x46651 6536 bytes
SHA-256: 7a5a393848e0ea4385744cc1e5d26d7740fb8e8670e23cf84cf300ec29530274
font_01_sfnt_off00047995.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47995 2744 bytes
SHA-256: 9654cf791bad744035d5523cf547b33ee841cc72396da1f552c7ab869c0ad2b8

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