PDF malware analysis — malicious · 587f77f64ac0e14e

MALICIOUS

PDF

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

MD5: 9041d9cbf69c924b410b84423fd1e105 SHA-1: 8dd50fbca09bcf9b79a42822bce1ef5373a21571 SHA-256: 587f77f64ac0e14e1ac70fccd64927d92257ba812dfc1a61b57ab4e9a206f2e5

100 Risk Score

Malware Insights

The sample is a PDF document that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to LibTIFF XFA images. A decompressed JavaScript payload was extracted from a PDF stream, indicating that the document is designed to download and execute a second-stage payload. The presence of XFA forms and embedded files further supports the malicious nature of the document.

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` `2a7694859fa6cbb1519111214de4605172caacbbe304cd5289a04d25f2fcdd68`	pdf-embedded-file	PDF EmbeddedFile object 29 at offset 0x329	55 bytes
`stream_003_off000003b8.js` `e7304175aa81c45a170e897c2fabd26c448be2bea50b8aae4f084f666a03a14c`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3B8	52869 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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