Malicious PDF — malware analysis report

Static analysis result for SHA-256 478f86641c10e62d…

MALICIOUS

PDF

178.7 KB Created: 2025-07-27 21:56:20 +03:00 Authoring application: 376377000w000k000h000t000m000l000t000o000p000d000f000 0000000.00010002000.0006 (via GPL Ghostscript 9.53.3) First seen: 2026-06-20
MD5: a87f3d9af8763b11aa7d775335728c53 SHA-1: 2855e95166cc8f962e156d8838b2ce3816831fa8 SHA-256: 478f86641c10e62d20cb9a90bb747aea91725f7d91ce9367bb30cd528ef33cce
94 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0624

Heuristics 6

  • 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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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 http://luluetmamie.com/app/webroot/files/08e81233-043e-444b-b999-0f3153343f15.pdf In PDF document text
    • https://choinka4x4.org/cms/files/file/96914201146.pdfIn PDF document text
    • http://schokoladenfontaene.de/idata/28528107886.pdfIn PDF document text
    • http://kerikoplast.com/upload/files/d2aa3123-24dc-467c-8c7c-ecb60946e64f.pdfIn PDF document text
    • http://pilotgen.com/upload/file/febenasepobo.pdfIn PDF document text
    • https://siltri.com/fck_upload/file/fusiwubaxegopax_nijavo_wakifem_kugag.pdfIn PDF document text
    • http://hanzaokeji.com/userfiles/file/20250713194746_921806935.pdfIn PDF document text
    • http://fragataeantunes.com/userfiles/file/44d001b6-a330-4b17-aa25-353b60134e54.pdfIn PDF document text
    • https://daquin-ferriere.fr/userfiles/file/ddad43ff-ed16-46c2-a542-5acd0b2e8b25.pdfIn PDF document text
    • https://adm.ativo.com/js/kcfinder/upload/files/61744662803.pdfIn PDF document text
    • http://szyoujin.com/UploadFile/file/20250714031016943.pdfIn PDF document text
    • http://otworz-biuro-podrozy.pl/userfiles/file/a8beb598-7b4c-4eab-83c8-625555793616.pdfIn PDF document text
    • http://sadvita.lt/pav/file/sipobor_buzumobiwasara_litolibef.pdfIn PDF document text
    • http://nenayu.com/filespath/files/20250714011940.pdfIn PDF document text
    • https://kamwalibais.com/userfiles/file/jomutodevatowu.pdfIn PDF document text
    • https://gruppopolidori.com/upload/image/file/ff8be9a8-b720-4276-b12e-56fd474adc61.pdfIn PDF document text
    • https://baptistfriends.org/media/e4823b71-bc5b-4182-99e6-7bc0d1731755.pdfIn PDF document text
    • http://www.alcera.ca/userfiles/file/zasunex.pdfIn PDF document text
    • https://bishopsalamatkhokhar-org.bskm.org/userfiles/file/lunozaledefoxag-senobaje-dililugizi-vujulisudelimez.pdfIn PDF document text
    • https://thangmaynewfuji.com/vietkiendo/upload/file/61302eb5-8b3d-4405-b04d-68de1f26a7b6.pdfIn PDF document text
    • https://dabokofex.nurepikis.com/628682430688952949116187908590492947917101?nigisusasulomikixalitebupakaxanifevujugomumiwokumunuwuzanupiwaduxowasuxonopasilarekeba=pirunelugegesexubibonojuvoxosutivoxaluwuzomelotazojonubuvibibixisotefurotumogedunajopavogariwanatuxibolepotojalabapidefazabobobilewotuzigofeluriripuzaxewapofazuwifoduduguzosopoxaxewuwulobimalosafidikipixaw&utm_kwd=ncetm+mastery+assessment+year+1&zojodexegorageravinoginesatonirilulodosapewowiribixidugamomuvisuxazekisane=muravaxakenuxajakewiterinalegixenikogusowosadalitiwotobefopogagibupewupagidepalozenumesizosaxabaretimagaxemuxogaxurerodogifomajibubabituxipule)/Type/ActionIn PDF document text
    • http://luluetmamie.com/app/webroot/files/08e81233-043e-444b-b999-0f3153343f15.pdf)/Type/ActionIn PDF document text
    • https://choinka4x4.org/cms/files/file/96914201146.pdf)/Type/ActionIn PDF document text
    • http://schokoladenfontaene.de/idata/28528107886.pdf)/Type/ActionIn PDF document text
    • http://kerikoplast.com/upload/files/d2aa3123-24dc-467c-8c7c-ecb60946e64f.pdf)/Type/ActionIn PDF document text
    • http://pilotgen.com/upload/file/febenasepobo.pdf)/Type/ActionIn PDF document text
    • https://siltri.com/fck_upload/file/fusiwubaxegopax_nijavo_wakifem_kugag.pdf)/Type/ActionIn PDF document text
    • http://hanzaokeji.com/userfiles/file/20250713194746_921806935.pdf)/Type/ActionIn PDF document text
    • http://fragataeantunes.com/userfiles/file/44d001b6-a330-4b17-aa25-353b60134e54.pdf)/Type/ActionIn PDF document text
    • https://daquin-ferriere.fr/userfiles/file/ddad43ff-ed16-46c2-a542-5acd0b2e8b25.pdf)/Type/ActionIn PDF document text
    • https://adm.ativo.com/js/kcfinder/upload/files/61744662803.pdf)/Type/ActionIn PDF document text
    • http://szyoujin.com/UploadFile/file/20250714031016943.pdf)/Type/ActionIn PDF document text
    • http://otworz-biuro-podrozy.pl/userfiles/file/a8beb598-7b4c-4eab-83c8-625555793616.pdf)/Type/ActionIn PDF document text
    • http://sadvita.lt/pav/file/sipobor_buzumobiwasara_litolibef.pdf)/Type/ActionIn PDF document text
    • http://nenayu.com/filespath/files/20250714011940.pdf)/Type/ActionIn PDF document text
    • https://kamwalibais.com/userfiles/file/jomutodevatowu.pdf)/Type/ActionIn PDF document text
    • https://gruppopolidori.com/upload/image/file/ff8be9a8-b720-4276-b12e-56fd474adc61.pdf)/Type/ActionIn PDF document text
    • https://baptistfriends.org/media/e4823b71-bc5b-4182-99e6-7bc0d1731755.pdf)/Type/ActionIn PDF document text
    • http://www.alcera.ca/userfiles/file/zasunex.pdf)/Type/ActionIn PDF document text
    • https://bishopsalamatkhokhar-org.bskm.org/userfiles/file/lunozaledefoxag-senobaje-dililugizi-vujulisudelimez.pdf)/Type/ActionIn PDF document text
    • https://thangmaynewfuji.com/vietkiendo/upload/file/61302eb5-8b3d-4405-b04d-68de1f26a7b6.pdf)/Type/ActionIn PDF document text
    • https://dabokofex.nurepikis.com/628682430688952949116187908590492947917101?nigisusasulomikixalitebupakaxanifevujugomumiwokumunuwuzanupiwaduxowasuxonopasilarekeba=pirunelugegesexubibonojuvoxosutivoxaluwuzomelotazojonubuvibibixisotefurotumogedunajopavogariwanatuxibolepotojalabapidefazabobobilewotuzigoPDF link annotation
    • https://dabokofex.nurepikis.com/628682430688952949116187908590492947917101?nigisusasulomikixalitebupakaxanifevujugomumiwokumunuwuzanupiwaduxowasuxonopasilarekeba=pirunelugegesexubibonojuvoxosutivoxaluwuzomelotazojonubuvibibixisotefurotumogedunajopavogariwanatuxibolepotojalabapidefazabobobilewotuzigofeluriripuzaxewapofazuwifoduduguzosopoxaxewuwulobimalosafidikipixaw&utm_kwd=ncetm+mastery+assessment+year+1&zojodexegorageravinoginesatonirilulodosapewowiribixidugamomuvisuxazekisane=muravaxakenuxajakPDF link annotation
    • 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
stream_013_off0001e211.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1E211 1049600 bytes
SHA-256: a47c8d80023153dde6bcdab322b746bc81c0e192bd1ed7c70a4480f1275261aa
font_00_sfnt_off0002a087.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2A087 8648 bytes
SHA-256: 2ee6ba36604abb97226c1c021fead9657a1957bc02f10f468d5bbf51cd86cc21

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