PDF malware analysis — malicious · d6a552b392055fb2

MALICIOUS

PDF

3.9 KB Authoring application: rxode (via va)

MD5: 53bb9c3bd54bbbbf22ed61bfaffc4c8d SHA-1: 88f4cbc02b3b5a27c0e2f9c53db5195f703b3d3e SHA-256: d6a552b392055fb2c1cb32a5590249ac7bdc4b28198ffbca0f76db8f281a543c

98 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file contains an embedded script payload and triggers the CVE-2010-0188 heuristic, indicating exploitation of a vulnerability in Adobe Reader. The embedded file, 'embedded_file_obj0041.bin', is likely the delivered payload. The XFA form and embedded file heuristics further support the delivery of malicious content via the PDF.

Heuristics 5

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
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
`embedded_file_obj0041.bin` `80587d6195ed879c828fae01e151bcef170807769ad4a7ddab387c74171040ac`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9827 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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