PDF malware analysis — malicious · fd69a8444c96b084

MALICIOUS

PDF

36.7 KB Created: 2010-06-10 23:08:24 Authoring application: Advanced PDF Repair at http://www.datanumen.com/apdfr/

MD5: 2e5c7abd930f11763d5614f4bc7a0811 SHA-1: 322d8e679ba748c8e49ad128dec11c12b41fe2b1 SHA-256: fd69a8444c96b08410f06da0ab6e1d950f4084f874ca2ebe081ab33a41829fe3

188 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript T1204.002 Malicious File

The PDF contains embedded JavaScript and a RichMedia (Flash) object, both flagged as suspicious. ClamAV detected this file as Pdf.Exploit.Agent-35955, and an extracted artifact named 'pad.swf' was also flagged as suspicious. The embedded JavaScript likely attempts to exploit a vulnerability or download a secondary payload, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The presence of the SWF file further suggests an exploit attempt.

Heuristics 9

ClamAV: Pdf.Exploit.Agent-35955 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-35955
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.
RichMedia (Flash) high PDF_RICHMEDIA

PDF contains /RichMedia (Adobe Flash) which is a historic exploit vector
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
PDF paints image(s) but contains no text operators info PDF_IMAGE_ONLY_LURE

PDF has 2 image XObject(s) and the content stream contains no text-emitting operators (BT/ET, Tj, TJ, ', ") in either raw bytes or decompressed streams — this is the screenshot-as-PDF pattern used to bypass text-based scanners and to deliver instructions purely through rendered pixels. It is informational unless paired with invisible links or risky URI context.
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://www.datanumen.com/apdfr/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`pad.swf` `c8a20e8ded0e5fe8a6a5cddff2408ac7f8a83df3f18abea5748cc817f3a3ebb9`	pdf-embedded-file	PDF EmbeddedFile object 27 at offset 0x2330	26810 bytes
Detection ClamAV: Pdf.Exploit.Agent-35955 Obfuscation or payload: likely Carved artifact entropy is 7.99, consistent with packed or encrypted content.

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