PDF malware analysis — malicious · ebc4088ac51f0c64

MALICIOUS

PDF

3.9 KB

MD5: ffa82b3cec2e2ab41383a6b9754751ec SHA-1: c9a0712d6e02f38fef3eac2222a0800229af9399 SHA-256: ebc4088ac51f0c648c21e9f58489ef398ebcef9206cdccad36b9eb21ac748d7c

118 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF file contains an embedded script payload and triggers a critical heuristic for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This indicates the document is designed to exploit this vulnerability upon opening, likely to download and execute a second-stage payload. The embedded file 'embedded_file_obj0041.bin' is also suspicious.

Heuristics 5

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
Embedded script payload in PDF stream high PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain script execution markers such as ActiveXObject/CreateObject, WScript.Shell, PowerShell, or HTML script tags. This is stronger than ordinary PDF JavaScript because it indicates a staged external script payload hidden in stream bytes.
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0041.bin` `32d0c6a7a75cdf5086ab53cf5d26396f084d201a628fc91bd1548407139a5e36`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9847 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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