PDF malware analysis — malicious · fdd0c954cd76e6b8

MALICIOUS

PDF

136.8 KB Created: 2011-09-08 05:03:17 Authoring application: FPDF 1.6

MD5: 9a22860dbac5eff3865492becb0eb786 SHA-1: 478f6a0968e056bf9fcb81fd518902799a141e99 SHA-256: fdd0c954cd76e6b8d639a83df0ce22aa7700d377b717587d08eefd69c10a645a

108 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The file was identified as malicious by ML classification and ClamAV, which specifically flagged it as 'Pdf.Exploit.Agent-36874'. The presence of XFA forms and AcroForm buttons with action triggers are common characteristics of malicious PDFs. While no document body text was readable, the heuristics and ClamAV detection strongly indicate an exploit attempt within the PDF structure.

Machine Learning

Nyx PDF Classifier malicious score 0.9993

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36874 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36874
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
AcroForm button with action trigger low PDF_ACROFORM_BUTTON

PDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_001_off000008ed.bin` `ce23bbbe3dc166b7c13022dabcec96cf0a24960e6fed49c34eb6919ff1093921`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x8ED	1483 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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