PDF malware analysis — malicious · 58959c04e67b6ef7

MALICIOUS

PDF

7.6 KB Created: 2012-04-17 19:53:38

MD5: 54fcae6597b106092af017e63371aa1d SHA-1: 81fbd5543105a16e3b965c15bed377e5af923507 SHA-256: 58959c04e67b6ef75c30f0a01831db9e5ac19a3b7921c070415b23fb2f9dc5ea

98 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious File

The file is identified as malicious by ClamAV with the signature Pdf.Exploit.Dropped-156969-1. Static analysis revealed embedded content and a script payload within a PDF stream, indicating an exploit delivery mechanism. The embedded file, 'embedded_file_obj0008.bin', likely contains the secondary payload.

Heuristics 5

ClamAV: Pdf.Exploit.Dropped-156969-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-156969-1
Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
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
`embedded_file_obj0008.bin` `22608c277d12124ed9ce9671947936025ed348e3ea07d7ca32858d156e75b41a`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xBAF	7163 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 long base64-like blob(s).

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