PDF malware analysis — malicious · cc3cfee9ceacb811

MALICIOUS

PDF

398.8 KB Created: 2009-10-08 13:59:47 -05:00 Authoring application: Adobe LiveCycle Designer 8.0

MD5: 8840c1ffc7c40e2c23f22bbb1edd0db3 SHA-1: ea883ebaa63c274ceb70bd0606eadfc189b5ce94 SHA-256: cc3cfee9ceacb81152ca50c06e734368b51127aa15b08f8790950fff17167672

62 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript and an embedded script payload, indicating an attempt to execute malicious code. The presence of XFA forms and JavaScript actions suggests a common delivery mechanism for exploiting PDF vulnerabilities. The embedded file 'embedded_file_obj0009.bin' is likely the secondary payload. No specific family could be identified.

Heuristics 8

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.
JavaScript action low PDF_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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://ns.adobe.com/xap/1.0/
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/xap/1.0/g/img/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/sType/ResourceRef#
- http://ns.adobe.com/illustrator/1.0/
- http://www.iec.ch
- http://ns.adobe.com/pdf/1.3/

Extracted artifacts 14

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0007.bin` `c06dcd026a7ea0536b63e07ce688691b585339a3ab7ff59065e546b56308c7bb`	pdf-embedded-file	PDF EmbeddedFile object 7 at offset 0x5E309	85 bytes
`embedded_file_obj0008.bin` `ebd19ee31a1f1d52f534ae8b59ae6612d5c4263e3987d20618a9f9517e9ae2ed`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0x5E3BC	3359 bytes
`embedded_file_obj0009.bin` `a6b53f8633ee29b7f9a3eee5861205f06b13e48f05bd54a6b4ae7ec4b925cac0`	pdf-embedded-file	PDF EmbeddedFile object 9 at offset 0x5E8AE	102235 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 long base64-like blob(s).
`embedded_file_obj0010.bin` `196ead3e7ba651f4a1783d1958c67cf904627cee976d71531342ddfece0e76dd`	pdf-embedded-file	PDF EmbeddedFile object 10 at offset 0x60353	1979 bytes
`embedded_file_obj0011.bin` `f885f582096c48270101c764dd3d3f994844f02f6ae90631b5a255c4a9e3731f`	pdf-embedded-file	PDF EmbeddedFile object 11 at offset 0x6047D	4748 bytes
`embedded_file_obj0012.bin` `7e915b5dd2e321929666a7b64c038b67678092d6e43a4a70683521856a4d5128`	pdf-embedded-file	PDF EmbeddedFile object 12 at offset 0x6079B	214 bytes
`embedded_file_obj0013.bin` `c94bbe951194333d6c39782ddf73e968a1a1741cd5455bd47dd6b6da85bb6a60`	pdf-embedded-file	PDF EmbeddedFile object 13 at offset 0x60896	799 bytes
`embedded_file_obj0014.bin` `b1b296d371e691ae903fc90e2f3bd69eeac3730137d7c7f5d9379aed02cb51d6`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x60AA6	110 bytes
`javascript_obj0265_000.js` `04ceb4c2218e7db19a6e007ca4ce846f92c17fff5eaf3a611e71bbd7a5726917`	pdf-javascript-stream	PDF /JS object 265 at offset 0xEB2	1535 bytes
`javascript_obj0266_001.js` `4a1aca004cf20431c9a66dce85404a6411a54d881a6c257882260ffc972a13eb`	pdf-javascript-stream	PDF /JS object 266 at offset 0x109E	870 bytes
`javascript_obj0267_002.js` `922f7942d25f53e6e6eedc1b3a95c47a757faab3be4838fa02db0dbea2c4dbcc`	pdf-javascript-stream	PDF /JS object 267 at offset 0x11F9	2798 bytes
`font_00_sfnt_off00002ff2.bin` `058d11642e857508126df5662db2c7af4bdc1892e73eea6fc33f2605a1fc3c20`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2FF2	94875 bytes
`font_01_cff_off0005b76c.bin` `a222a5faa686643e85eab1b2c3544319cbd5729a4df934d8ec0e122c87cb5adc`	pdf-font-stream	PDF embedded font (cff) at offset 0x5B76C	3846 bytes
`font_02_cff_off0005c875.bin` `1f382ea8e50c1720a13008069be1be48e9f1a5772b54908093be17bda663aa16`	pdf-font-stream	PDF embedded font (cff) at offset 0x5C875	5164 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.42, consistent with packed or encrypted content.

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