PDF malware analysis — malicious · 20c1805da005c550

MALICIOUS

PDF

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

MD5: 7366ed9fe570bf174c4d835f086b0e4c SHA-1: 471b16d6b6d00e9d139cb7b12258a40382c7865b SHA-256: 20c1805da005c550340b474e907119be4ab26ee69ad8e814ee65e16ea8a1939c

98 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File

The PDF file contains an embedded script payload, indicated by the PDF_EMBEDDED_SCRIPT_PAYLOAD heuristic. ClamAV detection as Pdf.Exploit.Dropped-156969-1 further confirms its malicious nature. The embedded file, likely the second-stage payload, suggests a delivery mechanism for further exploitation.

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` `2b9f1d98de12470898552e8fc870fde18de5beee7e425b10b90a57f60674896b`	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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