PDF malware analysis — malicious · d7e5f0f852fde420

MALICIOUS

PDF

5.8 KB Created: 2012-09-26 23:35:38

MD5: 5636541977c1a8c8353618984deded3c SHA-1: befa1043a6aad649912ccd0a134a25449603c3ec SHA-256: d7e5f0f852fde420e9afe8f026324c266d7525259928e918ac1f2c58b3934a40

100 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file exploits the CVE-2010-0188 vulnerability in Adobe Reader, specifically targeting the LibTIFF component within XFA forms. This indicates an attempt to achieve arbitrary code execution upon opening the document. The presence of an embedded script payload further supports this, suggesting a downloader or initial execution stage. The file is classified as malicious due to this exploit.

Heuristics 6

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 script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0007.bin` `c09ae753ce4962d3d447f6ccdc05236eb9238277b66775a82f085f0fd265a84d`	pdf-embedded-file	PDF EmbeddedFile object 7 at offset 0x1FF	130 bytes
`embedded_file_obj0004.bin` `c05824eda660e2e4c86a6eb8e76b107ca4dcc1de2fbba4966d51853943af4a70`	pdf-embedded-file	PDF EmbeddedFile object 4 at offset 0x2D4	130 bytes
`embedded_file_obj0014.bin` `d4d42ce0e2becf87abd24a70143a95b67bb3633a77c6bfce0204f49023ee7cd4`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x5A0	201 bytes
`embedded_file_obj0012.bin` `a82652acff5154ddb773d61882779fd460d110a9b5fc7b9b00019f38bf217492`	pdf-embedded-file	PDF EmbeddedFile object 12 at offset 0x892	38334 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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