PDF malware analysis — malicious · a9eb8052cf09b0f5

MALICIOUS

PDF

3.9 KB Authoring application: hXr (via va)

MD5: ce8ade75a4aa9542b242371f68ce14a8 SHA-1: bc0a3106e9236266cee72dd0e3bd9fad6b800291 SHA-256: a9eb8052cf09b0f504cfd4dcf23f0e7611dff8b25648d1e15db8951fb8fb3420

98 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1559.001 Component Object Model Hijacking

The critical heuristic firing for CVE-2010-0188 indicates that this PDF is designed to exploit a known vulnerability in Adobe Reader. The embedded file and script payload further suggest that the exploit is used to download and execute a secondary malicious component. The lack of readable document body text prevents a more specific assessment of the lure.

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 medium PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
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` `a90502da1d726997dd0b27c13e260aa0f92c1b6d28a23b9e45abe3506c7a8475`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9915 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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