PDF malware analysis — malicious · 4696458011fb445e

MALICIOUS

PDF

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

MD5: 9395e5ad266399e9045e624bbda868a3 SHA-1: 8f8f6fac353a9a701355686fc0a7b382750d9703 SHA-256: 4696458011fb445e6214b7b7c55777733101b8852cc9a693465d059865015430

78 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1559.001 Component Object Model Hijacking

The file is a PDF document identified by ClamAV as Pdf.Exploit.Agent-36874, indicating a known exploit. The presence of XFA forms and AcroForm buttons with action triggers suggests an attempt to leverage interactive elements for exploitation. The document body contains obfuscated text, likely part of the exploit payload or lure, further supporting the malicious intent.

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` `510bf499e91594ab1cc869c661fe221294c056240c8f51f576c6a3262c1f3abb`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x8ED	1432 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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