PDF malware analysis — malicious · aba7e98bfcfc1d21

MALICIOUS

PDF

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

MD5: 07814e0f6069732a9ac0fb862d91d58c SHA-1: a1e92771adf9d59a6dd357643a8d713b27e13122 SHA-256: aba7e98bfcfc1d210fe1baf0e437da39381456e626be3fcc2acc6ca2d9c98737

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1204.002 Malicious Link: Clickjacking T1059.001 Command and Scripting Interpreter: PowerShell T1059.003 Command and Scripting Interpreter: Windows Command Shell

The PDF file contains an embedded JavaScript payload that is likely responsible for the malicious activity. The heuristic firing for CVE-2010-0188 indicates exploitation of a known Adobe Reader vulnerability. The embedded JavaScript is decompressed from a stream and is the primary mechanism for delivering the exploit. The file is classified as malicious due to this 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` `d92cbf32ebccccbdc351e08b391d40c1478131f87d26c731fb8b009fed964944`	pdf-embedded-file	PDF EmbeddedFile object 29 at offset 0x304	49 bytes
`stream_003_off0000038d.js` `20f25a78d153d1118523cc47eadd4c426e63ca6cb85819c7067b2330323545eb`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x38D	52673 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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