PDF malware analysis — malicious · 1cd554253ae976c2

MALICIOUS

PDF

3.9 KB Authoring application: hXr (via va)

MD5: bb739cfa2322e13ad30d476fbf0534cd SHA-1: 08fc1b207d8cc72126a42a3b47fbd0f82ee40565 SHA-256: 1cd554253ae976c2e6cc79cc0bbfe1c77a5da8fbd153ea31b369f394dea3eaf9

98 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The PDF file contains an embedded object and triggers the CVE-2010-0188 exploit, indicating it is designed to deliver a malicious payload. The XFA form and embedded script payload further support the malicious intent. The exploit targets Adobe Reader, suggesting a user execution vector.

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` `0bce4b04c97a24e00dd2d182c3418c83661216236d5730f248a5bf280361a881`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9930 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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