PDF malware analysis — malicious · 27038c9f8b227fe9

MALICIOUS

PDF

14.7 KB

MD5: 68fe3b0adfce215b95e55824913ff67d SHA-1: 994f7552e4715688257141102931796246d15e86 SHA-256: 27038c9f8b227fe9c2c463f0ca7e173e1da8be1c709c9b0beca335eb62f18da8

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file exhibits multiple JavaScript-related heuristics, including embedded JS streams and unescape calls, indicating malicious intent. The ClamAV detection 'Pdf.Dropper.Agent-7241200-0' strongly suggests this is a dropper. The presence of obfuscated JavaScript, as noted by the 'Script obfuscation indicators' heuristic, points to an attempt to conceal the execution of a secondary payload, likely downloaded from a remote source.

Heuristics 5

ClamAV: Pdf.Dropper.Agent-7241200-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7241200-0
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
JavaScript action low PDF_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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
`javascript_obj0006_000.js` `473ff6d0c1407dc8d32cdeb70cef82271e7f4e0b0bac71bad21742c58abc8876`	pdf-javascript-stream	PDF /JS object 6 at offset 0x1A5	15237 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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