PDF malware analysis — malicious · df230650633b32f3

MALICIOUS

PDF

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

MD5: 7e28e788b5dc00859dc35633e9d50fa2 SHA-1: dd67d5f1ec50b7234cfe10ef11862c989a58a282 SHA-256: df230650633b32f33396d366001e6ac8a9e0b2af058d1b3575fd2c8a3b5189b0

78 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The critical ClamAV heuristic 'Pdf.Exploit.Agent-36874' strongly indicates a known PDF exploit. The presence of XFA forms and AcroForm buttons further supports the likelihood of a crafted PDF designed to trigger an exploit. While no specific script was extracted, the exploit likely leverages embedded content to download and execute a second-stage payload.

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` `540bc8345fd7e4efab860ede09def3e5cce406abca64b4771dd0d9d1dc31c6fc`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x8ED	1455 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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