Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd76a1b4d687ec24…

MALICIOUS

PDF

89.3 KB Created: 2022-04-07 15:53:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: 0a2141a73fe43061e985e44b56271701 SHA-1: 7c8f50331ad61028c5ce30d6647c4f84054d3a2b SHA-256: cd76a1b4d687ec24bfedb6a9d6b234c63cd904720966d02411c40c87b8b9722a
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9974

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 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.
  • 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 https://wirut.co.za/YmrXLWy8?keyword=download%20surah%20yasin%20full%20ayat%20mp3 PDF link annotation
    • https://fufukarebalomok.weebly.com/uploads/1/3/4/3/134352968/sezixo-bizazoxiz-dobitokep-numikekofolal.pdfIn PDF document text
    • https://daxolefuziru.weebly.com/uploads/1/3/5/9/135963055/kewumarab.pdfIn PDF document text
    • https://abcdev.opusviewdev.com/app/webroot/js/image/files/17202265627.pdfIn PDF document text
    • https://hamayeshniroo.com/shop/file/ravajumapazodizavupidu.pdfIn PDF document text
    • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/59eec0ae91d593f0b757f1729d75112c/lorimoxugizufudujiwupu.pdfIn PDF document text
    • https://zoguripan.weebly.com/uploads/1/3/1/0/131070442/japiwusut.pdfIn PDF document text
    • http://daltan.hu/userfiles/file/desofogofuzex.pdfIn PDF document text
    • https://magicdiscoradio.com/userfiles/file/loxumanarimonibexinave.pdfIn PDF document text
    • http://daithanhnam.com/upload/files/1179910595.pdfIn PDF document text
    • https://bajkolandia.halpress.eu/userfiles/file/21040194955.pdfIn PDF document text
    • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/162435154adb40---30591793315.pdfIn PDF document text
    • https://xn--80aaa1arbfjoe3bzh.xn--p1ai/data/files/22245923479.pdfIn PDF document text
    • http://kuwaited.com/cote_dor_import/admin/ckfinder/userfiles/files/seporisosisipapilavobe.pdfIn PDF document text
    • http://ceu-jgh.org/kcfinder/upload/files/44477796383.pdfIn PDF document text
    • http://chingyi.tw/userfiles/files/fuvekuwizera.pdfIn PDF document text
    • https://romizipomubem.weebly.com/uploads/1/3/0/7/130775952/074dff0503a.pdfIn PDF document text
    • http://belspelen.nl/admin/kcfinder/upload/files/towatewekupofabamajurize.pdfIn PDF document text
    • http://belly.bpv.su/content/files/files/zuzovomovizowagam.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_005_off000129e7.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x129E7 24656 bytes
SHA-256: 77fe07c2acc946d1adf7b70801901dabf649032795eb0b2757789c5f9feb379d
font_00_sfnt_off0000cc33.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC33 16872 bytes
SHA-256: fe413f1f49ff3a7c7f450069bfa35f90aac899990866554fdc570b3a18e5c5d7
font_01_sfnt_off0000f80e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF80E 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00011025.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11025 11104 bytes
SHA-256: b7e09178b79dca7d3849d2d55b12ae3ad5fb8df81e9740aaeacb6149e6aeec16

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