PDF malware analysis — malicious · 1f7fbc912b817609

MALICIOUS

PDF

5.6 KB Created: qHFdTlfA Authoring application: gfhersdd

MD5: efef2b29bb8858c118da81ec6fa93c43 SHA-1: 12ad20ab513847b4dd2b922a036327c1446f7541 SHA-256: 1f7fbc912b81760977c9fb41772d49371258e4f2abf413bba3c5958aeb7db8fb

82 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The PDF file contains a critical heuristic indicating the presence of the CVE-2010-0188 exploit, targeting Adobe Reader's LibTIFF component. This exploit is designed to achieve arbitrary code execution. The embedded artifact, stream_002_off000002e7.bin, is the decompressed payload of this exploit. The file also exhibits characteristics of an XFA form, which is often leveraged in exploits.

Heuristics 5

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED

The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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_002_off000002e7.bin` `728e3d0ebe852fe489ebbfe4a497ae6ccc1e378854de18c1fe229c0ee73fc9fe`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2E7	59518 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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