PDF malware analysis — malicious · 8841251a0ea371c3

MALICIOUS

PDF

136.8 KB Created: 2011-09-08 05:03:17 Authoring application: FPDF 1.6

MD5: 8bec317f7045b7932d2170222196b173 SHA-1: a957b06be477312a1e561aa346ff092d494dc574 SHA-256: 8841251a0ea371c3c5326da3bc14013cd822086b1b68985fca0476e1dd851c10

78 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File

The file is identified as malicious by ClamAV with the signature Pdf.Exploit.Agent-36874. Static analysis revealed the presence of an XFA form and an AcroForm button with an action trigger, both common components in PDF exploits. A suspicious, long encoded blob was also extracted, suggesting the potential for code execution or obfuscated content.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36874 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36874
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
AcroForm button with action trigger low PDF_ACROFORM_BUTTON

PDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures
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
`stream_001_off000008ed.bin` `99c4c69e612a873a00a7efcce1f08e0ec0a684e91a15d9a74b27ca20ee05e74d`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x8ED	1462 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

Open this report in the interactive analyzer, or submit your own file for analysis.