PDF malware analysis — malicious · 903d39cf6f9b7350

MALICIOUS

PDF

2.6 KB

MD5: 235643b2e702bb5a63b6b2743f2f8c35 SHA-1: d88b76d32f010714c196db568808704d813fe8a8 SHA-256: 903d39cf6f9b7350fb737905b900d7ed858f817b900e7a7ae26707fef1d8bc94

140 Risk Score

Malware Insights

MITRE ATT&CK

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

The sample is a PDF file that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to LibTIFF XFA image processing. This exploit is designed to execute a malicious payload, as indicated by the ClamAV detection 'Pdf.Exploit.Dropped-90' and the presence of an embedded file. The attack pattern involves tricking a user into opening a malicious PDF, leading to arbitrary code execution.

Heuristics 5

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains XFA image data with an inline crafted TIFF payload and shellcode/delivery markers. This is the data-bound variant of the CVE-2010-0188 Adobe Reader LibTIFF/XFA exploit shape.
ClamAV: Pdf.Exploit.Dropped-90 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-90
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_obj0001.bin` `266f8b8d7acb50a2265f07ab50a7d69e9294f7e522310501c21a7e6f2e908919`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x5D	13473 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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