PDF malware analysis — malicious · 98bd89fa3906e80c

MALICIOUS

PDF

11.3 KB Created: 2018-09-25 22:10:01 +03:00 Authoring application: dompdf + CPDF

MD5: c8ae47f006c40d6fe2104a37bf4aadde SHA-1: db5122f417b6ac8c42a29400f3665830cdc0e09b SHA-256: 98bd89fa3906e80c32d55f1bf76c2a65a87ac6086a6b3ec620891c302e44e458

72 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a fake invoice lure, directing the user to click on an embedded URL. The ClamAV heuristic identifies it as a Pdf.Dropper.Agent, suggesting it's designed to download and execute a second-stage payload. The embedded URL `http://shamwaricapital.com/1CDJDND/PAYROLL/US` is the primary indicator of compromise.

Heuristics 5

ClamAV: Pdf.Dropper.Agent-7285210-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7285210-0
Fake invoice / payment lure low SE_INVOICE_LURE

Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
External URI info PDF_URI

PDF contains an external URL action
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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://shamwaricapital.com/1CDJDND/PAYROLL/US

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_000_off00000274.bin` `8be7c97b680a14ce8aada5ad947725db4100a4128d399e7000dd4ffc36fb74d7`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x274	18259 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 16 long base64-like blob(s).

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