Office (OLE) malware analysis — malicious · 8903fb1a60805705

MALICIOUS

Office (OLE)

122.9 KB Created: 2018-10-02 22:41:00 Authoring application: Microsoft Office Word First seen: 2019-02-10

MD5: 33b571794c319fc49f8217063b71a60f SHA-1: 16e4eae7462b4b16f4ff5d8aafd1e6080722afc9 SHA-256: 8903fb1a6080570556c4217c3f329c66c3000b71163a5449047edfe701018456

84 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a critical heuristic. A legacy WordBasic auto-exec macro marker (AutoOpen) was detected, suggesting an attempt to automatically execute malicious code upon opening. While VBA extraction failed, the presence of an embedded URL and the overall malicious verdict indicate a likely phishing attempt.

Heuristics 4

ClamAV: Doc.Malware.00536d-6705548-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.00536d-6705548-0
Legacy WordBasic auto-exec macro marker medium OLE_LEGACY_WORDBASIC_AUTOEXEC

OLE Word document contains a legacy WordBasic auto-execution marker such as AutoOpen, but no modern VBA project was recovered and no stronger macro-virus family marker was present. This is analyst-facing evidence for old Word macro execution surface, not a downloader or parser-CVE attribution by itself.
Unsupported Office format for VBA extraction info OFFICE_FORMAT_UNSUPPORTED

olevba could not extract VBA macros (AssertionError); format-agnostic byte-level scans still ran. Likely legacy, encrypted, or malformed OLE/OOXML — re-scanning the same bytes will yield the same outcome.
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://schemas.openxmlformats.org/drawingml/2006/main In document text (OLE body)

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