PDF malware analysis — malicious · 36eb9ab614650cf2

MALICIOUS

PDF

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

MD5: 90c2af9b28142fcf87361c9d20d4c8c9 SHA-1: 75feebd4ef3dc15aec3b8477fd8b6080f6776924 SHA-256: 36eb9ab614650cf2f7747d600076cce0a2ec3e6368f2e9c652e5ae020c1ba010

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 malicious PDF designed to trigger an exploit. The extracted artifact 'stream_001_off000008ed.bin' is also flagged as suspicious. While no specific script was extracted, the combination of these factors points to a malicious PDF dropper.

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` `cad6a25eec38659618930d7766179f36d7451cf56c9bda124be41d9bbc10d339`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x8ED	1442 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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