PDF malware analysis — malicious · 501437d6acd1a551

MALICIOUS

PDF

45.4 KB

MD5: 214a22fa69f2f7106fe443b25991fa5e SHA-1: f7e784ddeb23c4a6a121d306b1079a0f3b629979 SHA-256: 501437d6acd1a5512fe0b3c679692599ce997afa639f8db555b4931a335f729d

334 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.003 Windows Command Shell T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The PDF contains a critical launch action that executes cmd.exe with parameters designed to drop and potentially execute a file named 'template.pdf'. This is further supported by heuristics indicating embedded JavaScript and a dropper API, strongly suggesting the intent to download and execute a second-stage payload. The CVE_2010_1240 heuristic confirms the exploitability of the launch action.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 8

Adobe Reader Launch action command execution critical CVE exact CVE_2010_1240

PDF uses the Adobe Reader/Acrobat Launch action pattern associated with CVE-2010-1240: cmd.exe is invoked with attacker-controlled parameters, paired with an embedded/exported payload.
Launch action critical PDF_LAUNCH

PDF contains a /Launch action whose target is an executable, URL, or UNC path — can start an external application
/Launch action target: cmd.exe critical PDF_LAUNCH_COMMAND

PDF /Launch action specifies an executable target with parameters '/Q /C %HOMEDRIVE%&cd %HOMEPATH%&(if exist "Desktop\\template.pdf" (cd "Desktop"' — references a known-dangerous executable (cmd, PowerShell, etc.).
ClamAV: Pdf.Tool.Agent-1388586 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Tool.Agent-1388586
/Launch action paired with attachment-dropping JS API high PDF_LAUNCH_PLUS_DROPPER_JS

PDF combines a /Launch action with a JavaScript API call that writes or opens an attached/external resource — the canonical shape of the CVE-2010-1240 /Launch + exportDataObject family. Benign PDFs do not pair these surfaces; the combination indicates a drop-and-execute chain regardless of the specific JS API knobs or /Launch target.
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

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0009_000.js` `bc1d5cdfa608238e3cd965aa51949d02f8ab713463ea0beb61ec928b121788d1`	pdf-javascript-stream	PDF /JS object 9 at offset 0xB097	57 bytes

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