Malicious PDF / .VIR — malware analysis report

Static analysis result for SHA-256 43c82a55eb617720…

MALICIOUS

PDF / .VIR

41.9 KB Created: 2020-09-11 12:31:37 Authoring application: LibreOffice First seen: 2025-12-05
MD5: 6d7b8d90535cfcd202ffba83fa01b319 SHA-1: 6ccd124a4488ca56e23272c8f6b2b8314e27b3ba SHA-256: 43c82a55eb617720ec49d4902697df1b75f3cb980b9b8f4ca2803df21527447b
114 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6825

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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_off000068e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68E8 5064 bytes
SHA-256: d6d64d9b77f3e475d29f0088e80734b497b86be0852028d91a6d0e1f92c9a426
font_01_sfnt_off00007989.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7989 11228 bytes
SHA-256: dccb7eb31064a79ea1c141134ad30aea43b7e9b3cba6afcef63b2f41bde86c65