Pdf.Dropper.Agent-7305826-0 PDF malware analysis — malicious · ce426efda0bb389b

MALICIOUS

PDF

12.5 KB

MD5: 100451d6cc3c88b61056049c905ad272 SHA-1: 5691105938f7062007b1bf14c5d9c001e294c266 SHA-256: ce426efda0bb389b0bc1d57e647ebb2196132dc70df81bc4329cf72c5a153fb3

138 Risk Score

Malware Insights

Pdf.Dropper.Agent-7305826-0 · confidence 95%

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, identified by the PDF_JAVASCRIPT and PDF_JS heuristics. The critical CVE_2007_5659 heuristic indicates that the JavaScript is used to exploit a known vulnerability (Collab.collectEmailInfo) to collect information and likely execute further malicious code. The ClamAV detection further confirms its malicious nature as a dropper. The deobfuscated JavaScript files suggest a multi-stage download and execution process.

Heuristics 5

Collab.collectEmailInfo — CVE-2007-5659 critical CVE exact CVE_2007_5659

PDF JavaScript calls Collab.collectEmailInfo — CVE-2007-5659 is a buffer overflow in Adobe Reader triggered by a long argument or heap-sprayed message field passed to Collab.collectEmailInfo(). Part of a series of Acrobat JS API exploits. (identified after JavaScript deobfuscation)
ClamAV: Pdf.Dropper.Agent-7305826-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7305826-0
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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `1847af0a099665b6ac45af66402e56ed64237a1b287618ee3d6643267fda6f35`	pdf-javascript-stream	PDF /JS object 7 at offset 0x19D	343 bytes
`legacy_pdfkit_stage_000.js` `a51a869fa99eb0f8bdb963a53ddc511fcd6cf5540fc0c1bb67a7987ce0d6b168`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F0	12280 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`legacy_pdfkit_stage_001.js` `933111a7f8887caf445fd8aad035aaaa0f092cfb40bea347425b178a7c14c22f`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F0	5045 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s).

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