PDF malware analysis — malicious · 3ee6befc2c21ba25

MALICIOUS

PDF

11.4 KB

MD5: 1441794026a9eb448ca1961850ea58d3 SHA-1: b358a257c3cc7c40e6ef0c37b523a83d22f9a671 SHA-256: 3ee6befc2c21ba2543c153c2d9768d2380824cce7cf80d112825b00cf9bcce98

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains an embedded PDF and JavaScript. The embedded JavaScript stream, identified as 'javascript_obj0007_000.js', was found to be obfuscated and likely contains malicious code. The embedded PDF, 'file.pdf', is also suspicious. The combination of these elements suggests a malicious document designed to deliver further malicious content.

Heuristics 7

Embedded PDF child has suspicious static findings critical PDF_EMBEDDED_CHILD_STATIC_TRIAGE

PDF contains an embedded PDF stream whose extracted child matches suspicious or malicious PDF heuristics. Wrapper PDFs are commonly used to hide the actual exploit or lure payload from scanners that do not recursively inspect attachments.
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
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.
Remote GoTo action info PDF_GOTO_REMOTE

PDF has GoToR/GoToE actions that reference sibling document files — typical of multi-part document bundles
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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `2a4a3ebdf83576120316b39b5a010c6c5abced7f75cd8734265b1c841ee6b247`	pdf-javascript-stream	PDF /JS object 7 at offset 0x233	48227 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 232 eval/decoder/string-building token(s).
`file.pdf` `dc6b8dc9460a818fa05cc7d6e91d80ed6643586534d8c4e54312248cc79e932c`	pdf-embedded-file	PDF EmbeddedFile object 5 at offset 0x1DF	10903 bytes

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