PDF malware analysis — malicious · eb6b11584dfeac8f

MALICIOUS

PDF

3.8 KB Authoring application: rxode (via va)

MD5: 58fcbf5e2ec778d5a8dd04ddf7729eb1 SHA-1: ecf534dd1f038735b7dfbaed01015e84d0980f22 SHA-256: eb6b11584dfeac8fac0fa99d87793b5a248f9a5742f16d1d24c9b0da845e957d

98 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment

The PDF file contains an embedded object and triggers a critical heuristic for CVE-2010-0188, indicating an exploit targeting Adobe Reader's LibTIFF component. The embedded file, named 'embedded_file_obj0041.bin', is likely the second-stage payload delivered by this exploit. The XFA form and embedded script payload heuristics further support the malicious nature of the document.

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` `35a9bff79762d7feb915df265fdbb59cc8ff48c16c471eca4255437cf4ab6ab0`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9780 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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