PDF malware analysis — malicious · f7ce76708b5af55f

MALICIOUS

PDF

12.9 KB

MD5: 32fa4f42a9acac41c5eef77d78e06bed SHA-1: a5067c22eb345b1fd663e54f1b372df596052af8 SHA-256: f7ce76708b5af55f096ea6ff67e3862302b5852f9cfdf45981446cf0437d8e7f

138 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains embedded JavaScript, identified by the CVE_2007_5659 heuristic which specifically targets the 'collab.collectEmailInfo' function. This function is known to be used in exploits that execute arbitrary JavaScript. The deobfuscated JavaScript files 'legacy_pdfkit_stage_000.js' and 'legacy_pdfkit_stage_001.js' likely contain the malicious code responsible for the exploit's payload delivery. The overall attack pattern suggests a PDF-based exploit designed to download and execute further malicious content.

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.Exploit.Agent-36062 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36062
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` `068944f8c011a88ab770b45c6de142b9305a1f515d410204d5eadd9ac2b5bfb3`	pdf-javascript-stream	PDF /JS object 7 at offset 0x19B	373 bytes
`legacy_pdfkit_stage_000.js` `ad8dded6476ee9c082b5dbb6fd1a95e6c267d0a669dbc5cb9b94b016a86143b5`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F5	12673 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`legacy_pdfkit_stage_001.js` `c5af9546198e77fc5635a12cb7dd32b70a8d63d71be69963348443a5b5a383f4`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F5	5235 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s).

Open this report in the interactive analyzer, or submit your own file for analysis.