Malicious PDF — malware analysis report

Static analysis result for SHA-256 445383adf78ad2fe…

MALICIOUS

PDF

53.1 KB Created: 2020-03-13 01:23:28 Authoring application: Nitro PDF First seen: 2026-06-12
MD5: 8a6b6a54fb0951a7b8ec6b57d34d0443 SHA-1: e83c1836b939ae65656d8f19f641e24138d6e05c SHA-256: 445383adf78ad2feb009438424cc3908e104c8f31d3615e44db68f5342634b98
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document flagged by ClamAV as a phishing trojan. It contains embedded links, one of which points to 'http://www.ascendercorp.com/typedesigners.html', suggesting a phishing lure. While no scripts were explicitly extracted, the PDF structure and the presence of external URIs indicate an attempt to redirect the user to a potentially malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5358

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://www.ascendercorp.com/ PDF link annotation
    • http://www.ascendercorp.com/typedesigners.htmlPDF link annotation
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#PDF link annotation
    • http://purl.org/dc/elements/1.1/PDF link annotation
    • http://ns.adobe.com/pdf/1.3/PDF link annotation
    • http://ns.adobe.com/xap/1.0/PDF link annotation
    • http://ns.adobe.com/xap/1.0/mm/PDF link annotation
    • http://ns.adobe.com/xap/1.0/rights/PDF link annotation
    • http://scripts.sil.org/OFLPDF link annotation

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000925c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x925C 5164 bytes
SHA-256: feacb5170b102fa1046d08d1b6d85daff0ab14f74a8be6e4f8f2e7e588924ffb
font_01_sfnt_off0000a31f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA31F 11612 bytes
SHA-256: 134f9cb2774f7a6f5a8c95fd9d0251ef8f3d01f2595082af3ab843a76fb83bd8

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