PDF malware analysis — malicious · a4e9ff2993cb585a

MALICIOUS

PDF

3.9 KB Authoring application: rxode (via va)

MD5: 8a71254b57a466c3448d69f4093f1aef SHA-1: 821d956e10852d192e590f0bf997e18892f66734 SHA-256: a4e9ff2993cb585a6f926d98b1640317da4a341368c8191cdb037a20e635d3fa

98 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF document exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms and LibTIFF parsing. This exploit is designed to achieve arbitrary code execution upon opening the malicious PDF. The embedded file and XFA form structure are key indicators of this exploit delivery method.

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` `8fb80ccf7dfdb9ec82dfc380b97d093ed22472cff19fd1a790c3c82832602f5e`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9822 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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