PDF malware analysis — malicious · e0f6cea1a1039b34

MALICIOUS

PDF

88.1 KB Authoring application: Acrobat040PDFMaker04080561040for040Word (via PyPDF2)

MD5: 82b24ed3c7ea13407d0cbb16e460eb3c SHA-1: deb57d4b0bca032e040c76dd8d067fd9a9d0e6f8 SHA-256: e0f6cea1a1039b3495f175a9d791ffa6c4edac38823d0a53ac8ce5b20b61708d

74 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript T1566.002 Spearphishing Attachment

The PDF contains embedded JavaScript, including a call to eval(), which is a strong indicator of malicious intent. The extracted JavaScript streams, particularly 'javascript_obj0005_000.js', suggest obfuscated code designed to execute further actions. The presence of a mailto URI, while seemingly benign, could be part of a broader social engineering attempt. The overall pattern points to a malicious PDF designed to exploit vulnerabilities or trick the user into executing harmful code.

Heuristics 6

eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution
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.
Optional Content Group with action trigger low PDF_OPTIONAL_CONTENT

Optional Content Group (layer) co-occurs with an action trigger — content can be selectively hidden from viewers or scanners while the action still fires on open
External URI low PDF_URI

PDF contains an external URL action
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_obj0005_000.js` `1a4b81aeb35cc5aeea12e08cae8287ea3b03f29936f556b297be98a3edee5ca3`	pdf-javascript-stream	PDF /JS object 5 at offset 0x2C2	82755 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).
`javascript_obj0005_001.js` `f064e82e3d6230e2364b85613f671c59b6aa71549dcfbf96582dd07ee76a43c5`	pdf-javascript-stream	PDF /JS object 5 at offset 0x2C2	630 bytes

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