PDF malware analysis — malicious · c26906c8a067fb7c

MALICIOUS

PDF

13.2 KB

MD5: 4a41c5e756e4864cee077140a71d7e0b SHA-1: 6646d7aca08e38e57f5c576b777670b17365167f SHA-256: c26906c8a067fb7c872047ab245c47e32b9757f942f2073f88944c1e4e7777f0

78 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.002 Spearphishing Attachment

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. This script is likely responsible for executing malicious actions, such as downloading a second-stage payload from the embedded URL: http://www1.prodybig.rr.nu/?gpgir1m=i9PUza%2BW5dWY5M3dn56dm6KN3eadqqCjqJmplMqczaLMj%2BakqqGloJuxkpqZmKiN1eVun6SjlcXbxNukucSyj%2BKa0a2llded. The ClamAV detection further confirms its malicious nature as a dropper.

Heuristics 5

ClamAV: Pdf.Dropper.Agent-7217702-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7217702-0
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://www1.prodybig.rr.nu/?gpgir1m=i9PUza%2BW5dWY5M3dn56dm6KN3eadqqCjqJmplMqczaLMj%2BakqqGloJuxkpqZmKiN1eVun6SjlcXbxNukucSyj%2BKa0a2llded

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0005_000.js` `8fb76b19f2cb8b13a2ac9139f575d8c2822552b2a2324cbad9496e5129a74093`	pdf-javascript-stream	PDF /JS object 5 at offset 0x1AE	12818 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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