PDF malware analysis — malicious · af70e7ff72c716d6

MALICIOUS

PDF

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

MD5: 4a260adedddd760acd539b1af7a9cdce SHA-1: cc22ab048ce891bad8225b7e9404a018568dbdeb SHA-256: af70e7ff72c716d6990f27798c9e293b167269abe7ce665cd428ddde7061a0c3

78 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1559.001 Component Object Model Hijacking

The critical ClamAV heuristic indicates this PDF is recognized as malware (Pdf.Exploit.Agent-36874). The presence of an XFA form and an AcroForm button with an action trigger suggests the PDF is designed to exploit vulnerabilities. An embedded binary artifact was also detected, likely containing the exploit payload.

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` `66bb1a774e95f03f28707d95ba24f2a00e7c5ec210535bc5c7cd7659d43c6b2e`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x8ED	1476 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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