PDF malware analysis — malicious · fdaba73471424ca8

MALICIOUS

PDF

11.3 KB

MD5: 4476e5de2601b9efd938bd3e36ce212c SHA-1: b30e21003023bfd5b3e2733a41e613cc75fcd618 SHA-256: fdaba73471424ca89eb19efd8104f9826871dc650f38b604296ebd43a55d29ed

124 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell T1566.001 Spearphishing Attachment

The PDF file contains an embedded JavaScript file that is obfuscated and likely intended to download and execute a second-stage payload. The critical heuristic firing for CVE-2010-0188 indicates a known exploit for Adobe Reader, suggesting the document is designed to leverage this vulnerability. The embedded URL is likely part of the exploit chain.

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.
Suspicious extracted artifact high 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 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
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 0xEE4	85 bytes
`embedded_file_obj0042.bin` `dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91`	pdf-embedded-file	PDF EmbeddedFile object 42 at offset 0xF96	1029 bytes
`embedded_file_obj0095.bin` `04b4668452069acabd853e4e23c73c34966ba3f79be3ccd4da34fbab258c5141`	pdf-embedded-file	PDF EmbeddedFile object 95 at offset 0x11AF	12504 bytes
`embedded_file_obj0044.bin` `3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169`	pdf-embedded-file	PDF EmbeddedFile object 44 at offset 0x27A6	144 bytes
`embedded_file_obj0045.bin` `10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275`	pdf-embedded-file	PDF EmbeddedFile object 45 at offset 0x2853	77 bytes
`base26_stage_000.js` `329c2f4a61af4b7074684666fdf515de16ebf22c90e5ec58e95623d52b3ea015`	deobfuscated-js	base26-decoded JavaScript (decompressed) at offset 0x13A5	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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