PDF malware analysis — malicious · d57759d48b044ddb

MALICIOUS

PDF

11.3 KB

MD5: 12efde036aa670a0bf819b4dc487e090 SHA-1: e5e7528ef278f6f7df404f3784f61f72eebb1f5e SHA-256: d57759d48b044ddbb85794e12707f003729245d6ad6046b1d8065da60afa7916

86 Risk Score

Malware Insights

The PDF file contains an embedded XFA form that triggers a known exploit for CVE-2010-0188 in Adobe Reader. This exploit is designed to download and execute a malicious payload. The deobfuscated JavaScript found within the file likely facilitates this execution, although its exact function is obscured. The presence of embedded files and an XFA form further supports the exploit delivery mechanism.

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 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
AcroForm button with action trigger low PDF_ACROFORM_BUTTON

PDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures
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.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL http://www.xfa.org/schema/xfa-locale-set/2.1/

Extracted artifacts 6

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0041.bin` `c06dcd026a7ea0536b63e07ce688691b585339a3ab7ff59065e546b56308c7bb`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0xEED	85 bytes
`embedded_file_obj0042.bin` `dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91`	pdf-embedded-file	PDF EmbeddedFile object 42 at offset 0xF9F	1029 bytes
`embedded_file_obj0095.bin` `1ac1851c28b65f9e1a4124cb8ef8d7bf496a5ae85ddfd3753de9f23343259d41`	pdf-embedded-file	PDF EmbeddedFile object 95 at offset 0x11B8	12789 bytes
`embedded_file_obj0044.bin` `3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169`	pdf-embedded-file	PDF EmbeddedFile object 44 at offset 0x287F	144 bytes
`embedded_file_obj0045.bin` `10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275`	pdf-embedded-file	PDF EmbeddedFile object 45 at offset 0x292C	77 bytes
`xfa_base26_stage_000.js` `de446b7447d87ff805b2ba08b9b3ee3fbc0ced98b1944cd8c1e3b25956ae0216`	deobfuscated-js	XFA base-26 decoded JavaScript (decompressed) at offset 0x1726	4288 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s). Carved artifact contains 5 long base64-like blob(s).

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