Malicious PDF — malware analysis report

Static analysis result for SHA-256 44546ef7a30ec0c1…

MALICIOUS

PDF

63.4 KB Created: 2020-08-09 17:22:54 Authoring application: pstoedit First seen: 2026-06-12
MD5: 66e8ffeb85a4994b0bd6c4a5b1fbe8d9 SHA-1: 94d6495b216ac5b1c9d45626400a2277884b6da7 SHA-256: 44546ef7a30ec0c12380d7c439def6145b93f6450b5e0f8d7d6dbe0d0560d83b
94 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains embedded URLs that point to external websites, suggesting an attempt to redirect the user to a malicious site. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the detection indicate a phishing or credential harvesting attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8445

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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_off0000bbe9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBBE9 5148 bytes
SHA-256: a9d1b4fd57a522f59a7333af9cf0eb97fd82cbb2cbd654876ae1a7f3cd3db523
font_01_sfnt_off0000cca7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCCA7 11532 bytes
SHA-256: 8257cfdcccbe117c21dc088baab293703d415a32a5ce8544ee500d2fb1411f03

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