PDF malware analysis — malicious · 59bc26b0236b22a8

MALICIOUS

PDF

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

MD5: 47267487dbd4bc4074edc2244f45fe24 SHA-1: fe19f70f6dab2370e499d14aaf2385567dcd6609 SHA-256: 59bc26b0236b22a80184a5a3255b9534a7c4a56ccdff15a63b6f343723031902

78 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF file was detected by ClamAV as Pdf.Exploit.Agent-36874, indicating it contains an exploit. The presence of XFA forms and AcroForm buttons with action triggers are common indicators of malicious PDF documents designed to exploit vulnerabilities. The file likely attempts 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` `6ef205fa02af9264721daecd2a0a81e72ac44aff47d27ad453e0116c6405cad3`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x8ED	1469 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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