PDF malware analysis — malicious · 24f443bae03548f7

MALICIOUS

PDF

3.8 KB Authoring application: hXr (via va)

MD5: 7efb4e3fb71da27bc0cfd436ff65d599 SHA-1: f6a6b4caaf3fd02f9a33be0d53b135d10faa44f5 SHA-256: 24f443bae03548f7249187cf9206bcc11bbdd7f07c209df0430a680e589e5bd0

98 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The PDF file contains an embedded object and triggers a critical heuristic for CVE-2010-0188, indicating an exploit targeting Adobe Reader's LibTIFF component. The embedded file, likely the second-stage payload, was extracted and flagged as suspicious. The attack pattern involves luring the user into opening the PDF, which then exploits the vulnerability to execute the embedded malicious content.

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` `21302720a9504f23d8d7944185dc6ef9aa8edae4e195bea346c80b8c86d10421`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9935 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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