Pdf.Dropper.Agent-7291044-0 PDF malware analysis — malicious · a9764d2c4460ed96

MALICIOUS

PDF

12.8 KB

MD5: 1cb69a9809320c9bd273c60833ec85de SHA-1: 4fe65d00b379aa95c42ed62d4b586701fc06261c SHA-256: a9764d2c4460ed96419a4b7577b99029106d358ab4aef5dd828297e93197be4a

138 Risk Score

Malware Insights

Pdf.Dropper.Agent-7291044-0 · confidence 95%

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript that leverages the CVE-2007-5659 vulnerability (Collab.collectEmailInfo). This JavaScript is designed to download and execute further stages, as indicated by the presence of deobfuscated JavaScript files named legacy_pdfkit_stage_000.js and legacy_pdfkit_stage_001.js. The ClamAV detection name 'Pdf.Dropper.Agent-7291044-0' further supports its role as a dropper.

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-7291044-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7291044-0
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` `b47f18be465456219f0b2d0de9afca54bd811394fa604bf000cec9bd76e44011`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F0	12558 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`legacy_pdfkit_stage_001.js` `b990f673bd39a80961be03d625e96b105839bb506235633d27adb80443d39229`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F0	5234 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s).

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