Malicious PDF — malware analysis report

Static analysis result for SHA-256 19134a1ed559dfad…

MALICIOUS

PDF

79.0 KB Created: 2022-04-16 08:33:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22
MD5: 4538d23bac9f1ec1d29de8f61c7604d1 SHA-1: 4eadd055517db1ed9058deecd2e3125e0ffc7e27 SHA-256: 19134a1ed559dfadcf90bba1cc458e78009e8fd097c49f0bbb2bbbee6ad1b411
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

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
  • 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.
  • 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://cafij.co.za/YmrXLWy8?keyword=innova%20scanner%203120d PDF link annotation
    • http://kbautotech.com/board/datafiles/imagefile/50453163862.pdfIn PDF document text
    • http://gvs-russia.ru/admin/ckfinder/userfiles/files/62367080135.pdfIn PDF document text
    • https://steklo-shik.ru/userfiles/file/xitasazugupuzimorumuwup.pdfIn PDF document text
    • http://mobilahomedesign.com/userfiles/files/bagixerumifirixote.pdfIn PDF document text
    • https://kuwovuvonix.weebly.com/uploads/1/3/5/9/135971109/6154306.pdfIn PDF document text
    • http://yuha.be/_files/file/50165419583.pdfIn PDF document text
    • http://lokalizacja-gps.pl/userfiles/file/74445297556.pdfIn PDF document text
    • https://jetabasujupeg.weebly.com/uploads/1/3/4/7/134703241/1715404.pdfIn PDF document text
    • https://www.adira.co.id/assets/kcfinder/upload/files/82469962435.pdfIn PDF document text
    • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1624c83c5a9d1a---zapabovafulikupajuwuxajof.pdfIn PDF document text
    • https://ecoverservice.be/gallery/file/45271859398.pdfIn PDF document text
    • https://intersensor.ro/v2011/Files/fck_upload/file/81578335010.pdfIn PDF document text
    • http://slovbau.sk/test/userfiles/file/pemoboperodejog.pdfIn PDF document text
    • http://studiotecnicoarduini.eu/userfiles/files/nozakarifiwimudad.pdfIn PDF document text
    • http://labotinnghia.com/img/files/1340215861.pdfIn PDF document text
    • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/16209b4e320552---dixinobag.pdfIn PDF document text
    • http://tribo.kz/userfiles/File/113640253.pdfIn PDF document text
    • http://vicareyou.com/userfiles/file/2577982893.pdfIn PDF document text
    • https://www.ekuraz.cz/upload/files/52916954488.pdfIn PDF document text
    • http://underbutter.cz/download/foto/jevosozasutanonadavub.pdfIn PDF document text
    • https://businesslife.com/content/file/86829854541.pdfIn PDF document text
    • https://www.supergram.cz/kcfinder/upload/files/4050371519.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_off0000cd27.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD27 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000e539.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE539 18328 bytes
SHA-256: 5e77cf659e2a6f7c64df68a22b7900f4bb917408d181ec2a7aa0cc22b07fe918
font_02_sfnt_off0001149d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1149D 10612 bytes
SHA-256: d824f9fb203059857449762b7a527884e09429a69c16e034b187f1ad7ff21b6e

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