PDF malware analysis — malicious · 302e0b66f076fcf6

MALICIOUS

PDF

5.9 KB Created: 2134-56-78 65:43:23

MD5: 637778671eb2d10090cc0a1e9e3800da SHA-1: 0a9ad40980da1e9e4798030ff5bf7b2477258859 SHA-256: 302e0b66f076fcf6964f4a199d3b888f4450b842c73ec1743bc8001e44059ec0

218 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains an embedded artifact and triggers critical heuristics for CVE-2010-0188, indicating an exploit targeting Adobe Reader. The embedded file itself was also detected as malicious by ClamAV. The attack pattern is consistent with a malicious document delivered as an attachment, aiming to exploit a known vulnerability for initial code execution.

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` `593b0173276c3fc2d4f7e8352e2c511924ae3f829623e263fcaa432ab09bc7d5`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0x436	78117 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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