PDF malware analysis — malicious · e3fd40e4828f7d32

MALICIOUS

PDF

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

MD5: 7630ee23280d507d896d80b1fa0c0caa SHA-1: 73211939a4db6a041d587965cee48ce16bf549a8 SHA-256: e3fd40e4828f7d3204e4b672e757f3b05f0cbbe46c95f039d368a02a0332ffd0

78 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File

The critical ClamAV heuristic firing indicates this PDF is recognized as Pdf.Exploit.Agent-36874, suggesting it contains an exploit. The presence of XFA forms and AcroForm buttons with action triggers further supports the likelihood of a malicious PDF designed to exploit a vulnerability. The extracted artifact 'stream_001_off000008ed.bin' is a suspicious component likely containing the exploit 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` `90ac79743ee31ea3e61a480219f596d2e878b836ded9595d24f4e7f0a00bc62e`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x8ED	1375 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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