PDF malware analysis — malicious · 2c8cae8c6d699333

MALICIOUS

PDF

45.3 KB Created: 2021-05-12 17:21:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 49f60423484754aedd5c901b5391b413 SHA-1: 62c06fb32c27ea2773aa9a274d5143294c54e80b SHA-256: 2c8cae8c6d6993337bf7e4ed2e1c06434e026a0ed6aa14e0c930151a8a438612

100 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file contains embedded URLs that lead to known malicious redirector infrastructure, specifically promoting "game hacks" and "free Robux". The document body, though heavily obfuscated, also contains similar URLs, reinforcing the lure. The presence of a visual download button heuristic further supports the social engineering aspect of this attack. The primary intent appears to be directing users to download or access malicious content disguised as cheats or free items.

Machine Learning

Nyx PDF Classifier malicious score 0.9507

Heuristics 3

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://netcdn.xyz/app/431946152/robuxglobal.com-game-hack In PDF document text
- http://mountain.mn/uploads/files/free-roblox-accounts-that-work_GM431946152.pdfIn PDF document text
- http://mountain.mn/uploads/files/coin-master-lucky-patcher-hack_GM406889139.pdfIn PDF document text
- http://mountain.mn/uploads/files/free-coin-master-spins-for-today_GM406889139.pdfIn PDF document text
- http://mountain.mn/uploads/files/how-to-hack-robux_GM431946152.pdfIn PDF document text
- http://mountain.mn/uploads/files/roblox-zone-free-robux_GM431946152.pdfIn PDF document text
- http://mountain.mn/uploads/files/archery-master-3d-coins-hack_GM406889139.pdfIn PDF document text
- http://mountain.mn/uploads/files/20-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://mountain.mn/uploads/files/best-site-for-free-coin-master_GM406889139.pdfIn PDF document text
- http://mountain.mn/uploads/files/coin-master-free-spins-link-today_GM406889139.pdfIn PDF document text
- http://mountain.mn/uploads/files/how-to-get-2021-robux-for-free_GM431946152.pdfIn PDF document text
- http://mountain.mn/uploads/files/coin-master-free-spins-and-coins-for-today_GM406889139.pdfIn PDF document text
- http://mountain.mn/uploads/files/minecraft-complete-handbook_GM479516143.pdfIn PDF document text
- http://mountain.mn/uploads/files/robux-gainer_GM431946152.pdfIn PDF document text
- http://mountain.mn/uploads/files/coin-master-hack-that-actually-works_GM406889139.pdfIn PDF document text
- http://mountain.mn/uploads/files/how-to-get-free-robux-instantly_GM431946152.pdfIn PDF document text
- http://mountain.mn/uploads/files/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
- http://mountain.mn/uploads/files/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
- http://mountain.mn/uploads/files/coin-master-free-spins-daily-2021_GM406889139.pdfIn PDF document text
- http://mountain.mn/uploads/files/free-robux-real-working_GM431946152.pdfIn PDF document text
- http://mountain.mn/uploads/files/how-to-get-1-million-robux-for-free-2021_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000487c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x487C	25448 bytes
SHA-256: `551b26d4864a75ecab9951605d8bdb28ff8b172e4b287e36cfe387164994b7f2`
`font_01_sfnt_off00008374.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8374	2824 bytes
SHA-256: `94c1b019735d7e491765340abe50b2897410e2ec65ecf141c08bd9f2220897c4`
`font_02_sfnt_off00008d22.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8D22	18764 bytes
SHA-256: `59fb30c80e85498b2f7c5a4d05a5dec781d28c8684b6c7c45546c982bbf76575`

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