PDF malware analysis — malicious · 95e79209707a4489

MALICIOUS

PDF

9.7 KB

MD5: 10b873a0c1357d2e639e31e2fe9aa924 SHA-1: aafbf517f48a19c093436896c7bdbe02696f8b5e SHA-256: 95e79209707a448996d22311f81cb6d3dce72911c669c5bc4da9b400298e837b

104 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment

The critical heuristic firing for CVE-2010-0188 indicates that this PDF document is designed to exploit a known vulnerability in Adobe Reader. The presence of embedded files and scripts further supports the malicious intent, suggesting the document serves as a dropper for a secondary payload. The embedded URL, while not directly malicious in reputation, is part of the XFA form structure exploited by the vulnerability.

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
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 5

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 0xE8A	85 bytes
`embedded_file_obj0042.bin` `dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91`	pdf-embedded-file	PDF EmbeddedFile object 42 at offset 0xF3C	1029 bytes
`embedded_file_obj0111.bin` `2d15affed52afb0b09b208a037e7e53b7dade27e85109413767798d4f72765cd`	pdf-embedded-file	PDF EmbeddedFile object 111 at offset 0x1156	60814 bytes
`embedded_file_obj0044.bin` `3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169`	pdf-embedded-file	PDF EmbeddedFile object 44 at offset 0x214B	144 bytes
`embedded_file_obj0045.bin` `10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275`	pdf-embedded-file	PDF EmbeddedFile object 45 at offset 0x21F8	77 bytes

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