PDF malware analysis — malicious · 38c3a0a2637b8740

MALICIOUS

PDF

5.5 KB Created: qsdfsdf Authoring application: val

MD5: a38007c51a0b465d6cc285dc230b3898 SHA-1: 174cf1d597d21fcb4f45b55ee4886f3ccf243485 SHA-256: 38c3a0a2637b8740b0f05e4045693c59eb25034a4d5a05f07daa0158ebd0ee8a

218 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1559.001 Component Object Model Hijacking

The PDF file contains an embedded artifact and triggers critical heuristics for CVE-2010-0188, indicating an exploit targeting Adobe Reader. The embedded artifact, named 'embedded_file_obj0006.bin', is also flagged by ClamAV with the same exploit signature. This suggests the document is designed to deliver a malicious payload via this 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_obj0006.bin` `88ba7878a5badc5968f9a733e18dbe8f991260013f31595cf4d721fb624f4877`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x427	33564 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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