Malicious PDF — malware analysis report

Static analysis result for SHA-256 478a401e276a344c…

MALICIOUS

PDF

137.9 KB Created: 2022-04-10 17:32:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: 0df5137d1532e4d5b80d11200f1beb42 SHA-1: f834f77fe6883b58857784c9f8f95e018c4d65f7 SHA-256: 478a401e276a344c91d10e690e172ae6ce142d67004f0aab482ba0d6df188b72
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://podar.co.za/YmrXLWy8?keyword=mark%20cuban%20biography%20book%20pdf PDF link annotation
    • https://kulovuvakaj.weebly.com/uploads/1/3/4/5/134515365/vafudarodanabi_zawup_dipegipunibu.pdfIn PDF document text
    • https://vidapinuluselas.weebly.com/uploads/1/3/4/8/134865598/adfe7406b76.pdfIn PDF document text
    • https://xegiwisupanax.weebly.com/uploads/1/3/4/3/134367095/duzovifed.pdfIn PDF document text
    • https://pukizorot.weebly.com/uploads/1/3/1/3/131384201/94af99b.pdfIn PDF document text
    • https://gekoxevovaxad.weebly.com/uploads/1/4/1/2/141281934/jarokomubude.pdfIn PDF document text
    • https://koximewi.weebly.com/uploads/1/3/0/7/130775363/4819725.pdfIn PDF document text
    • http://schodylux.pl/userfiles/file/mutazemazaji.pdfIn PDF document text
    • http://yonetim.e-cari.com/upload/files/17873395795.pdfIn PDF document text
    • https://robustbrakes.com/administrator/imagetemp/file/filejanivopumo.pdfIn PDF document text
    • http://farashimirooz.com/files/makuv.pdfIn PDF document text
    • https://ambient-interier.cz/files/files/92899035708.pdfIn PDF document text
    • https://fosijegaden.weebly.com/uploads/1/3/4/8/134868146/6384332.pdfIn PDF document text
    • https://ask-it.softki.com/Ask-it/UserFiles/file///39215242973.pdfIn PDF document text
    • http://anktk.ufnk.fr/app/webroot/files/file/86630005562.pdfIn PDF document text
    • https://xosebabonewita.weebly.com/uploads/1/3/4/6/134613761/33b54e5531.pdfIn PDF document text
    • https://rinixupikexem.weebly.com/uploads/1/3/4/0/134096042/wazaruxanape_faguwidita_gotaja.pdfIn PDF document text
    • https://luruxelu.weebly.com/uploads/1/3/2/6/132682974/diruzatukizig.pdfIn PDF document text
    • https://tisogile.weebly.com/uploads/1/3/4/7/134728595/resirodora.pdfIn PDF document text
    • https://chrmglobal.com/userfiles/file/35262488631.pdfIn PDF document text
    • https://lumifuwuzuzeb.weebly.com/uploads/1/3/4/6/134698668/xipuvudu-genisabuke-nudagofidas.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_off0001b7f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1B7F4 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0001d00b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1D00B 10896 bytes
SHA-256: c7327fc08ee6e646d6e8bb0299f11025076fc1beb345f5d29cdb9452446d5808
font_02_sfnt_off0001e8c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1E8C4 18644 bytes
SHA-256: 4545f6e4ee965a9bf618ebc3e138da9b45babac68258b1dcb80c65c0220621ed

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