PDF malware analysis — malicious · af107572c36b8ccd

MALICIOUS

PDF

3.9 KB Authoring application: hXr (via va)

MD5: 46bee40c65013aa39eaecefd1b2437d8 SHA-1: 64b8ce3e0fd9f81893e86f61df81568010d244ab SHA-256: af107572c36b8ccd31cfb16e680eae94ce31434a46b4e21cc540708becc9ca22

98 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Phishing: Spearphishing Attachment

The PDF file contains an embedded XFA form that triggers the CVE-2010-0188 exploit in Adobe Reader. This exploit is designed to execute a malicious payload, likely for further system compromise. The embedded artifact 'embedded_file_obj0041.bin' is also flagged as 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 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` `01b59606d493dd2503172c4fac50698122d69851a9cfc5e1cd4b5341004b77b3`	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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