PDF malware analysis — malicious · 1e3a1fd6e0d85fbf

MALICIOUS

PDF

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

MD5: 7d8c4827adc2f56e3eb645fbcb1d7590 SHA-1: 6911ddc1aeee923817755bb41f7ef0665c63baef SHA-256: 1e3a1fd6e0d85fbf84d8f53653906c8c1849a49164cf4c984eccc419f1581dff

78 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF document was flagged by ClamAV as Pdf.Exploit.Agent-36874, indicating it contains a known exploit. Static analysis also identified an XFA form and an AcroForm button with an action trigger, common components in exploit-laden PDFs. A suspicious, long encoded blob was also extracted, likely containing the malicious 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` `29ac40bbcb38d2d9afa8f492e6047a65c43444ee3c11b53bd9a2eac4f78aa790`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x8ED	1421 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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