Pdf.Dropper.Agent-7242696-0 PDF malware analysis — malicious · 2a095c518ddaba3a

MALICIOUS

PDF

58.7 KB Created: 2009-07-30 13:49:53 Authoring application: cZRnGFicvMVQ (via fYkvPMbjhlRQf)

MD5: 5b34490536e89a8f2e5a1254962bdf7e SHA-1: 1a78e61aa30a5abd8b7b45347b36c8e8745ceda1 SHA-256: 2a095c518ddaba3a73a98cbe638d9c1dcce152c74d793b3c8441a875b1d429e6

126 Risk Score

Malware Insights

Pdf.Dropper.Agent-7242696-0 · confidence 95%

MITRE ATT&CK

T1059.001 PowerShell

The file was detected by ClamAV as Pdf.Dropper.Agent-7242696-0, indicating it functions as a dropper. Static analysis revealed embedded JavaScript with obfuscated content, including the use of `eval()` and `String.fromCharCode()`, which are common techniques for executing malicious code. The presence of JavaScript actions and embedded JS streams further supports this. The primary function appears to be the execution of a second-stage payload.

Heuristics 6

ClamAV: Pdf.Dropper.Agent-7242696-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7242696-0
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution (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.
String.fromCharCode low PDF_FROMCHARCODE

String.fromCharCode found — used to construct payload strings dynamically. Common in benign JavaScript libraries for codepoint manipulation, so this alone is informational; weaponised use is also caught by the dedicated fromCharCode-stage and exploit-shape 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_obj0007_000.js` `0f32f5ccc96dee381b2f7302330105b8f73e862fd550b52ba23f6e7afe4c2276`	pdf-javascript-stream	PDF /JS object 7 at offset 0x48D	58248 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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