PDF malware analysis — malicious · afb3cc096994f172

MALICIOUS

PDF

6.1 KB Created: 2012-10-05 17:43:18 Authoring application: nyhed=blpka(jyyas.replace(/fgje24j/g, arase.charAt(5

MD5: 0f445ba2d1cce8a8332f2f54054ebe87 SHA-1: 8619bb29dd44c10a7c89e5b43f896806c30b9aab SHA-256: afb3cc096994f172635db0d8115d96707a1e5693be35a8c63ca5c76de64ef0a3

100 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains an embedded script payload and exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms. This indicates the document is designed to deliver a secondary payload upon opening. The embedded file, particularly 'embedded_file_obj0002.bin', is likely the delivered payload.

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 6

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0010.bin` `c09ae753ce4962d3d447f6ccdc05236eb9238277b66775a82f085f0fd265a84d`	pdf-embedded-file	PDF EmbeddedFile object 10 at offset 0x257	130 bytes
`embedded_file_obj0019.bin` `9c7c33a35c9ef8e1f56a4a2380c705cc365080e9163619be802f1239e0ed47dc`	pdf-embedded-file	PDF EmbeddedFile object 19 at offset 0x4DE	154 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`embedded_file_obj0003.bin` `e6c26a3478346d27e841ad49868ebf68bf4c6863b6750e8d60bda3c4c6f79876`	pdf-embedded-file	PDF EmbeddedFile object 3 at offset 0x5CE	77 bytes
`embedded_file_obj0014.bin` `92a3ce61d783e15932b5de127ce45a9b4c2f98f4da2453f65241573c1dda808a`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x678	56 bytes
`embedded_file_obj0001.bin` `d4d42ce0e2becf87abd24a70143a95b67bb3633a77c6bfce0204f49023ee7cd4`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x77F	201 bytes
`embedded_file_obj0002.bin` `f63531e3cb30c0e80721d9d6f39cd634f5297bf510a7be733177ab80723f9766`	pdf-embedded-file	PDF EmbeddedFile object 2 at offset 0xAC6	39311 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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