PDF malware analysis — malicious · 349553158c660122

MALICIOUS

PDF

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

MD5: 6ece34dca7b9916dfe75c451e42b8cf3 SHA-1: 5ffd509bcb010f2ae5534958755dded0b4a1f948 SHA-256: 349553158c66012298186763e2d12956df983f07fe350da767bed5678507249c

78 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF file was detected by ClamAV as Pdf.Exploit.Agent-36874, indicating a known exploit. The presence of an XFA form and an AcroForm button with an action trigger further suggests malicious intent. An embedded, decompressed PDF stream was also identified as a suspicious artifact, likely containing the exploit code.

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` `e1e6ee13530f886f2dc81b044c7623d2e0f6c025bc6ea96be7e5e2c4e068dda8`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x8ED	1474 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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