PDF malware analysis — malicious · 7aa3b9b8d7911744

MALICIOUS

PDF

4.0 KB

MD5: fdccd48ecca228854eca56e990822707 SHA-1: 80ac269090bd2654c47eb26e922afe950288c14b SHA-256: 7aa3b9b8d7911744e9d5f7d7e479c8eb9f664a4df282f255e8b217315fa1ba94

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment

The file is a PDF document that contains an embedded malicious object. Static analysis identified a critical heuristic firing for CVE-2010-0188, indicating an exploit targeting Adobe Reader's LibTIFF component via an XFA form. This suggests the document is designed to exploit this vulnerability upon opening, likely leading to the execution of a secondary payload.

Heuristics 6

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

PDF contains XFA image data with an inline crafted TIFF payload and shellcode/delivery markers. This is the data-bound variant of the CVE-2010-0188 Adobe Reader LibTIFF/XFA exploit shape.
ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX

Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
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: PSEOF. 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_obj0001.bin` `e35c46dc5e912b0855d63c77cfe408a378ebb3192f673ebec28aa129ded17ed0`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x6A	12307 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`embedded_file_obj0010.bin` `8af81ed8eb133b8dbc92f16ee731a72b4418c73f308df25baea192d921e616d2`	pdf-embedded-file	PDF EmbeddedFile object 10 at offset 0x8F2	256 bytes
`embedded_file_obj0011.bin` `8ba38ddb3c7641e26c2b0f4afe8c6cce673e58ada7b556db3cf9706677824b9c`	pdf-embedded-file	PDF EmbeddedFile object 11 at offset 0xB50	761 bytes
`embedded_file_obj0012.bin` `422a5430698c54d7acba092e1350d18143964b54c5496415f1d8f31cbbcf0663`	pdf-embedded-file	PDF EmbeddedFile object 12 at offset 0xD56	332 bytes

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