PDF malware analysis — malicious · 1cb16592aa1d7f10

MALICIOUS

PDF

5.5 KB

MD5: 98c9e0ef6f59c1a1200307ac401348c9 SHA-1: 35cdf16bdea39ec3f8c11f16c888d9cba0c16618 SHA-256: 1cb16592aa1d7f10e6d5345f2f1ff79eb9295fe17ef72c5140a80079d78c2d6b

218 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment

The PDF file contains an embedded exploit targeting CVE-2010-0188 in Adobe Reader. Static analysis detected an XFA form and an embedded script payload, further indicating malicious intent. The embedded artifact 'embedded_file_obj0006.bin' is also flagged as suspicious. The primary attack vector is likely a user being tricked into opening a malicious PDF.

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` `7ecb032f3389912b126ebefc1eb4ff791a3230eb6592210e1a6b0981029cff06`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x414	33526 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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