PDF malware analysis — malicious · 47979e232c6961ea

MALICIOUS

PDF

801 B

MD5: 51b32b1bef4e5774a5d78a7fa922252f SHA-1: 8824e1467d1c48d2ca34ad623c19745bd97a8e64 SHA-256: 47979e232c6961eade54a3d9fddc9cd7abb7a88e3b9d22d32407d06075bd94ff

120 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.003 Windows Command Shell T1105 Ingress Tool Transfer

The PDF file contains a launch action that executes cmd.exe. This command attempts to download a VBScript from http://lattren.com/newsp/tmp/m.vbs. The script itself is obfuscated, but the initial PDF launch action and the embedded URL strongly indicate a downloader pattern. The confidence is high due to the direct execution of cmd and the embedded URL.

Heuristics 4

Launch action high PDF_LAUNCH

PDF contains a /Launch action with an unresolved or extension-less target — treat as potentially dangerous
Embedded script payload in PDF stream high PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain script execution markers such as ActiveXObject/CreateObject, WScript.Shell, PowerShell, or shell-exec primitives. This is stronger than ordinary PDF JavaScript because it indicates a staged external script payload hidden in stream bytes.
/Launch action target: cmd high PDF_LAUNCH_COMMAND

PDF /Launch action specifies an executable target with parameters '/c echo B="m.vbs":With CreateObject(StrReverse("PTTHLMX.2LMXSM"'.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL http://lattren.com/newsp/tmp/m.vbs

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_pdf_script_0000006f.bin` `ad55c8e83a5896a04b2012c676820daeab2b84cc539e444c6366e79f55a571c5`	pdf-embedded-script	PDF decompressed stream script payload at offset 0x6F	63 bytes

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