PDF malware analysis — malicious · cf36fc605cfeaa6c

MALICIOUS

PDF

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

MD5: 53d26ad06aff0a7f181d0a64f8acd48c SHA-1: 68e4114f0e7c7c21a3e6cc2da8384abdde0b754c SHA-256: cf36fc605cfeaa6c73e8182327e8695be4eeb8dd8e7ba1cf11975bfa4fa1280a

78 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution

The file is identified as malicious by ClamAV with the signature Pdf.Exploit.Agent-36874. Static analysis revealed an XFA form and an AcroForm button with an action trigger, indicating potential exploitability within the PDF structure. A suspicious, long encoded blob was also extracted, suggesting the presence of a secondary 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` `ee3444f41e1d40b5b963db3797acbd016dcae9fca507453c5822b1c5e017a519`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x8ED	1429 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

Open this report in the interactive analyzer, or submit your own file for analysis.