Malicious PDF — malware analysis report

Static analysis result for SHA-256 bdd1811b63b45433…

MALICIOUS

PDF

10.4 KB
MD5: b2b538d87517a5fea933f2f1c8728132 SHA-1: 909ff5f11255470da8a4ab1f55ad1c9da9331c9c SHA-256: bdd1811b63b45433d2098900fad9435c511b03ff22bd8374cae6615344bab985
78 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF file was detected as malicious by ClamAV with the signature Pdf.Exploit.Agent-19007. Static analysis also identified an embedded file, indicating a potential dropper or exploit delivery mechanism. The XFA form heuristic suggests the document may leverage form fields for exploit execution. The document body is heavily obfuscated and unreadable, providing no further context on the lure.

Heuristics 4

  • ClamAV: Pdf.Exploit.Agent-19007 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-19007
  • 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.

FilenameKindSourceSize
embedded_file_obj0001.bin
6447fba2262aa8c2422efcc08ddf137caf761c8bd92a82e121367ee422bd4a9b
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x82 13408 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).