PDF malware analysis — malicious · a71ae45372aaa35a

MALICIOUS

PDF

167.7 KB

MD5: e88fac04d98fb32716ec4f5e468eb9b2 SHA-1: 0ebe861a91c27241c5bea9105512e2c831017e54 SHA-256: a71ae45372aaa35a99867ade7fd04af100d3a08baa9fbeeec88d7ace0da50535

140 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment

The PDF document contains an embedded file and triggers the CVE-2010-0188 exploit, indicating it is designed to deliver a malicious payload. The embedded file, named 'nov varianty evro SPO SHA.pdx', is likely the secondary stage of the attack. The XFA form and embedded file heuristics further support this conclusion.

Heuristics 5

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.
Embedded PDF child has suspicious static findings critical PDF_EMBEDDED_CHILD_STATIC_TRIAGE

PDF contains an embedded PDF stream whose extracted child matches suspicious or malicious PDF heuristics. Wrapper PDFs are commonly used to hide the actual exploit or lure payload from scanners that do not recursively inspect attachments.
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
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 5

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0001.bin` `5a479ff2881cc991bf2f5e5dffd9080c2332683563d973d5bbbbddf0f58331ed`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x51	13430 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`font_00_sfnt_off00024ab1.bin` `0f1f252872efc2e32772676dffd68f503270ca0e788d4f03d223de397dd50589`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x24AB1	30860 bytes
`font_01_sfnt_off000280d0.bin` `d8f092193e6f8d13b298d7b4fbc91d434743589e4bb927a023f9cd78a50bc382`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x280D0	38812 bytes
`font_02_sfnt_off0002d2c6.bin` `a149c4462add7ad88cb05f558517cf81cd5ba1ff7c026fd34dcefd18cfea7319`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2D2C6	51068 bytes
`nov_varianty_evro_SPO_SHA.pdx` `12112cd97c7fb05f8b4719ce70f49e9ebab815cc11fab4263255c93e3455a659`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0x3D1	220944 bytes

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