PDF malware analysis — malicious · 7294ffac5fe73c26

MALICIOUS

PDF

21.1 KB

MD5: bfe2d02db103072dedd26b26a533c15f SHA-1: 940f98ce002553ce49fc9739239ff897131cafbf SHA-256: 7294ffac5fe73c265066f72d6479edf93328daa04bc7fa21625dab7bc6d4907a

310 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.007 JavaScript

The PDF file contains obfuscated JavaScript that leverages the CVE-2009-0927 vulnerability (Collab.getIcon) to execute code. This script is designed to download a second-stage payload from the URL http://gospeltube.com/cache/.svn/.p2/.l.php?l=1&spl=pdf_collab_geticon. The presence of exploit cluster heuristics and ClamAV detection on extracted artifacts confirms the malicious nature of the sample.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 9

Collab.getIcon — CVE-2009-0927 critical CVE exact CVE_2009_0927

PDF JavaScript calls Collab.getIcon — CVE-2009-0927 is a stack buffer overflow in Adobe Reader triggered by Collab.getIcon() with a crafted argument. Allows arbitrary code execution. (identified after JavaScript deobfuscation)
PDF JavaScript exploit cluster critical PDF_JS_EXPLOIT_CLUSTER

PDF combines an executable JavaScript/action surface with exploit staging indicators such as eval/unescape/fromCharCode, XFA script content, or a related CVE pattern. Benign form JavaScript remains low-severity, but this correlated cluster is high-confidence malicious behavior.
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution
PDF JavaScript shellcode contains an embedded download URL high PDF_JS_SHELLCODE_DOWNLOAD_URL

Decoded PDF JavaScript shellcode contains a hardcoded http(s) URL stored as little-endian %uXXXX Unicode escapes. Reader exploit shellcode embeds the second-stage fetch URL this way and pulls it down with a urlmon/URLDownloadToFile-style download-and-execute (commodity downloader behaviour rather than a specific Acrobat CVE).
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.
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://gospeltube.com/cache/.svn/.p2/.l.php?l=1&spl=pdf_collab_geticon

Extracted artifacts 10

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj111711_000.js` `8fb4e4732fa6539de77207bb11b9606a6cd0193009fe99f1aa2b809e6cf82818`	pdf-javascript-stream	PDF /JS object 111711 at offset 0x18E	3380 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s). Carved artifact contains 4 long base64-like blob(s).
`javascript_obj111712_001.js` `5d870238265204ecc8f5fcf18219c0d3d6c5f1a7aed1d2649ffbe1f66223f668`	pdf-javascript-stream	PDF /JS object 111712 at offset 0xEF8	15901 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s). Carved artifact contains 6 long base64-like blob(s).
`javascript_obj111713_002.js` `f08588f2dfd64548e09551fe797af4d310de2be9076b4dd99bfd6fa96c32e591`	pdf-javascript-stream	PDF /JS object 111713 at offset 0x4D4B	1727 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s). Carved artifact contains 6 long base64-like blob(s).
`javascript_obj111711_003.js` `c479a56cbe35cd7c1efb2defbc02f2516ec1f8cf8b31ed193cc86ae3a8aa7b76`	pdf-javascript-stream	PDF /JS object 111711 at offset 0x1B2	21163 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 16 long base64-like blob(s).
`javascript_obj111712_004.js` `45086164f02f9ba63ddadfe5391f378da367b9e123c74588934470d8ef509255`	pdf-javascript-stream	PDF /JS object 111712 at offset 0xF1C	17729 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s). Carved artifact contains 12 long base64-like blob(s).
`javascript_obj111713_005.js` `82648eb8564866b88f90928db3e0151f77f987dbe46d2ce86281d5ea8ee7d682`	pdf-javascript-stream	PDF /JS object 111713 at offset 0x4D6D	1776 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s). Carved artifact contains 6 long base64-like blob(s).
`legacy_pdfkit_stage_000.js` `6ede4758755c0f4c3a0151b2861649b18fef08dce99aacefc2c3c843c0d0cff3`	deobfuscated-js	multi-marker percent-array decoded JavaScript at offset 0xEF8	1527 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).
`legacy_pdfkit_stage_001.js` `407624ceb11bdfcccd03817d5cc6229f3a3f8dfc15051e1567d07f2b81bcede8`	deobfuscated-js	multi-marker percent-array decoded JavaScript at offset 0x4D4B	100 bytes
`legacy_pdfkit_stage_002.js` `e3e9e53733757225cfd546ccce8b9efd872f210ce3f70627194b1fd70faa1d65`	deobfuscated-js	multi-marker percent-array decoded JavaScript at offset 0x1B2	1628 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).
`legacy_pdfkit_stage_003.js` `88d7e14a9c8c4e5942c2fe8ea5b9bd7fabc44b05bb03286b9ec0705d8750b27e`	deobfuscated-js	multi-marker percent-array combined decoded JavaScript at offset 0xEF8	8245 bytes
Detection ClamAV: Js.Exploit.Shellcode-18 Obfuscation or payload: likely Carved artifact contains 15 eval/decoder/string-building token(s).

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