PDF malware analysis — malicious · f0fd6b9aac7ecd8d

MALICIOUS

PDF

5.1 KB Created: 2002-02-02 59:55:01 Authoring application: e

MD5: 3ae99ec721407801412504fdc9fd4b62 SHA-1: 156e12a738912568b0384ba3be8e1ec0ce664de5 SHA-256: f0fd6b9aac7ecd8db1abd20eb2e49f36599d01017d1681b69743b415b23aac56

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution T1059.001 PowerShell

The PDF file contains an embedded JavaScript file that is likely executed by exploiting the CVE-2010-0188 vulnerability in Adobe Reader. The embedded JavaScript is the primary payload, and its execution is the core of the attack. The document body is unreadable due to encoding, but the heuristic firings strongly indicate a malicious exploit.

Heuristics 6

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
PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED

The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. 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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0029.bin` `66ebaf3ca5550dbd89cd028e9139664358da0c0ca5e3fb6e5040817e1f5cf2a2`	pdf-embedded-file	PDF EmbeddedFile object 29 at offset 0x35A	58 bytes
`stream_003_off000003ec.js` `daafb9430b9bc45ae13f0c9d146218e2b75ec616f10212bdfc994eb22f7589a4`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3EC	43790 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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