PDF malware analysis — malicious · e1da83eedcc478b2

MALICIOUS

PDF

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

MD5: 4e898bfd88f95a7911015f425fbf3e87 SHA-1: 3d273aacdd8345731bf103a4ee9422210b65a91e SHA-256: e1da83eedcc478b243d6c281aeeda359cc149deec8474988312df406ba01fb58

78 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File

The file is a PDF document identified by ClamAV as Pdf.Exploit.Agent-36874, indicating it likely exploits a known PDF vulnerability. The presence of XFA forms and AcroForm buttons with action triggers further suggests an exploit is embedded within the document structure. The decompressed stream contains a long encoded blob, typical of exploit payloads.

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` `84249f8f50385326b5bff9c4764cf10b91557cf7d530f9bb8979d9e91ca97629`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x8ED	1414 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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