PDF malware analysis — malicious · 37e9b7ca67365db8

MALICIOUS

PDF

14.1 KB

MD5: f38c061aa1ed29b6f09f389244d795f9 SHA-1: a5e807262b398411cf119a0b6ec91ae5d903a41e SHA-256: 37e9b7ca67365db8af4dca4a4f9e9ee6a5c998ea01858a206776f726a901a4ad

114 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious File

The critical ClamAV detection and ML classifier firing strongly indicate malicious intent. The PDF contains embedded files and an XFA form, which are common vectors for exploit delivery. The embedded URL, while seemingly benign, is associated with the XFA structure, suggesting it might be part of the exploit chain.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

ClamAV: Pdf.Exploit.Agent-36962 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36962
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 0x2ADB	85 bytes
`embedded_file_obj0042.bin` `dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91`	pdf-embedded-file	PDF EmbeddedFile object 42 at offset 0x2B8D	1029 bytes
`embedded_file_obj0043.bin` `87c1876ce7bc6a06fb524af6c457bf7e85544c6d71d3d217c24dc868dc2c081f`	pdf-embedded-file	PDF EmbeddedFile object 43 at offset 0x2DA6	1929 bytes
`embedded_file_obj0044.bin` `3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169`	pdf-embedded-file	PDF EmbeddedFile object 44 at offset 0x3219	144 bytes
`embedded_file_obj0045.bin` `10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275`	pdf-embedded-file	PDF EmbeddedFile object 45 at offset 0x32C5	77 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.