PDF malware analysis — malicious · fd62c2cdaa5a255d

MALICIOUS

PDF

71.1 KB

MD5: 87377cd971809ccfac14cbfdc85056bd SHA-1: 348c6b28dd1bae11042c72f72bf1004021c2370c SHA-256: fd62c2cdaa5a255dfc48d78b0ddc3b33db27c4996d74bfc1c401c8207d2fbf99

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains XFA forms with executable scripts, indicated by the PDF_XFA_SCRIPT and PDF_EVAL heuristics. The embedded script payload, marked by PDF_EMBEDDED_SCRIPT_PAYLOAD, is likely responsible for downloading and executing a secondary payload, as suggested by the suspicious extracted artifact 'embedded_file_obj0010.bin'. The document body content is not indicative of a specific lure.

Heuristics 7

XFA form contains risky executable script high CVE related PDF_XFA_SCRIPT

PDF embeds an XFA form whose script block contains exploit, submission/launch, or shell-execution primitives. Ordinary LiveCycle print/update scripts are left as generic XFA/JS signals unless stronger behavior is present.
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution
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
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://ns.adobe.com/xdp/
- http://www.xfa.org/schema/xci/1.0/
- http://www.xfa.org/schema/xfa-template/2.5/
- http://ns.adobe.com/xtd/
- http://www.xfa.org/schema/xfa-data/1.0/
- http://ns.adobe.com/xfdf/
- http://www.xfa.org/schema/xfa-form/2.8/

Extracted artifacts 7

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0008.bin` `04462f810d6eacdacecc9d0a5f3f81bebc722af4415e04da19b520338f642b51`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xD7	67 bytes
`embedded_file_obj0009.bin` `10524c8841105d398f3e8e8c790bc322eaa76a0f71d67929337ac5d9e1752e52`	pdf-embedded-file	PDF EmbeddedFile object 9 at offset 0x162	815 bytes
`embedded_file_obj0010.bin` `73ec5073804e2a11b9b416ec3d0b60ddf3db9ee1c7dbbd9d2aa922ca62c8163d`	pdf-embedded-file	PDF EmbeddedFile object 10 at offset 0x4DC	80 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).
`embedded_file_obj0011.bin` `de76ff2267a871380db4d219f2e7ba80c1d54cfb99a70ae9093149b6bd7b29b6`	pdf-embedded-file	PDF EmbeddedFile object 11 at offset 0x577	69955 bytes
`embedded_file_obj0012.bin` `6dfc2cfc739bf5cd5514e048143c782a1af7b4c86ed10bd88203471efa9b3fe7`	pdf-embedded-file	PDF EmbeddedFile object 12 at offset 0x11705	389 bytes
`embedded_file_obj0014.bin` `9f69c42e66b0c1666412737dc9cf4aa42379ee793c4ad8d07130781756ea33d5`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x118D7	65 bytes
`embedded_file_obj0015.bin` `51d6d76eddb1746e412f89f4d1c1b0d620c60fb4a5641c018e93871be63968a9`	pdf-embedded-file	PDF EmbeddedFile object 15 at offset 0x11962	147 bytes

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