PDF malware analysis — malicious · 3470d9d306f11c39

MALICIOUS

PDF

305.3 KB

MD5: 5e56ed808ae01cb42a8d2e199f124d96 SHA-1: 21a30f4d088c1ff190a27c3fa7366551a14231cf SHA-256: 3470d9d306f11c3951ed509530eaca83cc2750971823bc247f5c240c876c8e0e

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript and triggers a critical heuristic for CVE-2010-2883, an Adobe Reader CoolType SING font exploit. This indicates the file is designed to leverage this vulnerability to execute arbitrary code. The presence of JavaScript streams and XFA forms further supports the exploitation vector. The exact payload or subsequent actions are not directly discernible from the provided static analysis, but the exploit itself is the primary threat.

Heuristics 6

Adobe Reader CoolType SING font exploit — CVE-2010-2883 critical CVE likely CVE_2010_2883

PDF embeds a TrueType/OpenType font with an actual SING table and pairs it with JavaScript heap-spray shellcode. This matches the public Adobe Reader CoolType SING exploit shape for CVE-2010-2883.
ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX

Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
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.
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.

Extracted artifacts 6

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0029_000.js` `44ff102fdccff204a94b4f50023e58c8f114e4aa2a7eabe020949c1a29289ee6`	pdf-javascript-stream	PDF /JS object 29 at offset 0x4A9F9	15301 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 long base64-like blob(s).
`javascript_obj0038_001.js` `2c0b66ec50073178ddc3de2aaf0627ef83819a8f71c118ff3b075b4bd82749fe`	pdf-javascript-stream	PDF /JS object 38 at offset 0x1B82	1242 bytes
`javascript_obj0039_002.js` `d8bbcc5984e6bec8996e18881fad0486ff520c9b9f03ee0fb9694ddfc412340d`	pdf-javascript-stream	PDF /JS object 39 at offset 0x214F	1572 bytes
`stream_004_off00000b11.bin` `69e17a0038b9273e6d005ef52313a832cb41b9cf9713d6134d0cf9f2e59298a7`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0xB11	434 bytes
`font_00_sfnt_off00001152.bin` `fc85f44193ccd402987935418c4f5fdf6802c96450b789e7fce04f9791933021`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1152	7965 bytes
`font_01_sfnt_off00001903.bin` `1e827515a464087cdace63e3578c118b45a657ed40cdbb9de7eead35c9b593ba`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1903	7965 bytes

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