PDF malware analysis — malicious · 98dc394478e04ee1

MALICIOUS

PDF

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

MD5: 4bf4f1d12a828f87c065c25b84bc60dd SHA-1: fc3454684e650caee0c1deba3165125553866ed9 SHA-256: 98dc394478e04ee14fe15b0c7c448235cf110092e9a320ce384be5ce7e37137f

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, a known exploit. The presence of XFA forms and AcroForm buttons with action triggers further suggests malicious intent, likely to exploit a PDF viewer vulnerability. The embedded artifact, a decompressed PDF stream, likely contains the exploit code or 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` `56e0520b24176b1a7504d656fc8b65c0af7d469bcadf02d573585a204010796d`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x8ED	1415 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.