PDF malware analysis — malicious · 40db5e2b80dca15a

MALICIOUS

PDF

3.8 KB Authoring application: hXr (via va)

MD5: 8ea9b2624c8388374f27e99919c9697c SHA-1: 67469cea914e20b23eca222cadfd5a9583b71bba SHA-256: 40db5e2b80dca15a6620ef451cdc89923fa806247b57d8c5321d4cddea3173f9

98 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an embedded script payload and exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to LibTIFF XFA image processing. This indicates the document is designed to deliver a malicious payload upon opening in a vulnerable application. No specific family could be identified, but the exploit suggests a targeted or opportunistic attack.

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` `017443c2e579f5d8801356a11b6cf9d102c5d668d387cf576090e12fa2aa8539`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9888 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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