PDF malware analysis — malicious · faa3b68ab921fbd1

MALICIOUS

PDF

3.8 KB Authoring application: l (via va)

MD5: 59a745c4fb216bd4679bd045f5386619 SHA-1: 291c87916e6360ace7a57aeb0f27e4aee914e1a1 SHA-256: faa3b68ab921fbd148213f5f6670ebee8f63deeca758025faef3e6d3d5b742f9

158 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1204.001 Malicious Link T1059.001 PowerShell

The PDF file contains an embedded script payload and exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms. ClamAV also detected this file as Pdf.Exploit.Dropped-84, indicating it's a known malicious dropper. The embedded file artifact further suggests the delivery of a secondary payload.

Heuristics 6

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.
ClamAV: Pdf.Exploit.Dropped-84 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-84
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` `a6e0abb8091f56d43ac82121786e007181550e1d631994ede0efd2a0c795ada0`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9760 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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