PDF malware analysis — malicious · abd86ac9b0f3583c

MALICIOUS

PDF

5.3 KB

MD5: cdb3dba78fbf4ce0b9870bbf23505c22 SHA-1: 97d7b04264570d26f60631661aab2fb450f4f599 SHA-256: abd86ac9b0f3583ce6d52dd0d27b0a2d4c197f2c84024ea3f42418974f9901f6

218 Risk Score

Malware Insights

MITRE ATT&CK

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

The sample is a PDF document that exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to LibTIFF XFA image parsing. This exploit is designed to execute arbitrary code, indicated by the 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristic. The embedded artifact 'embedded_file_obj0008.bin' likely contains the second-stage payload. The ClamAV detection further confirms the malicious nature of the exploit.

Heuristics 7

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.CVE_2010_0188-10 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.CVE_2010_0188-10
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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_obj0008.bin` `18f4d0683c9e353483b0223613fbe8133002cd2798c76e28f4b9d44be05e937b`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0x407	30845 bytes
Detection ClamAV: Pdf.Exploit.CVE_2010_0188-10 Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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