PDF / .PHP malware analysis — malicious · d68896ae6ae6af30

MALICIOUS

PDF / .PHP

135.0 KB

MD5: b01105b4e391212e1b13066393e743d7 SHA-1: 2810ca36458a2f7b66b2cf019a4908167d77d931 SHA-256: d68896ae6ae6af30631be6e2d795b89b0501ada3d98719926797dcb4fd79d61a

80 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The JavaScript stream was obfuscated, as suggested by the PDF_UNESCAPE and PDF_FILTER_HEX firings, and a suspicious JavaScript object was extracted. The primary attack pattern involves leveraging this obfuscated JavaScript to likely download and execute a secondary payload. The differential parser failure suggests potential evasion techniques.

Heuristics 6

unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX

Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
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.
PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED

The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PSSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `ea6a210d129c29f6f53e535aeadfd1c7443cfef9b8ac9329f0098ecb9fca382d`	pdf-javascript-stream	PDF /JS object 7 at offset 0x233	45842 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 257 eval/decoder/string-building token(s).

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