PDF malware analysis — malicious · 016c680c84e2ca3a

MALICIOUS

PDF

42.2 KB Created: 2021-05-15 10:40:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 46335518e15400125baca1e03114508f SHA-1: 1a076ea6960c972859eaf18fb887da4c06bf45b3 SHA-256: 016c680c84e2ca3a4088e54c785c4206390269cfa6254ee3ab2e4a5d0c015dd6

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a large number of external links, many of which are structured as a link farm, suggesting a malicious intent to direct users to potentially harmful content. The ML classifier also flagged this PDF as malicious with high confidence. The document body, though partially corrupted, contains references to hacking and game-related terms, aligning with the observed link farm.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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
External URI info PDF_URI

PDF contains an external URL action
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/how-to-hack-people-in-roblox-game-hack
- https://pa-waingapu.go.id/images/rbl-gg-free-robux_GM431946152.pdf
- https://pa-waingapu.go.id/images/coin-master-spin-ml-link_GM406889139.pdf
- https://pa-waingapu.go.id/images/coin-master-hack-pro-gamers-com_GM406889139.pdf
- https://pa-waingapu.go.id/images/how-to-get-free-robux-easy-2021_GM431946152.pdf
- https://pa-waingapu.go.id/images/coin-master-free-spins-daily-2021_GM406889139.pdf
- https://pa-waingapu.go.id/images/coin-master-hack-for-android_GM406889139.pdf
- https://pa-waingapu.go.id/images/earn-free-spins-coin-master_GM406889139.pdf
- https://pa-waingapu.go.id/images/free-minecraft-skins-girl_GM479516143.pdf
- https://pa-waingapu.go.id/images/mcpe-master-unlimited-coins-free-download_GM406889139.pdf
- https://pa-waingapu.go.id/images/2021-free-spins-on-coin-master_GM406889139.pdf
- https://pa-waingapu.go.id/images/free-spins-coin-master-cheats_GM406889139.pdf
- https://pa-waingapu.go.id/images/free-spins-and-coins-for-coin-master_GM406889139.pdf
- https://pa-waingapu.go.id/images/free-minecraft-skins-pc_GM479516143.pdf
- https://pa-waingapu.go.id/images/how-to-get-free-robux-without-verifying_GM431946152.pdf
- https://pa-waingapu.go.id/images/coin-master-free-coins-spins_GM406889139.pdf
- https://pa-waingapu.go.id/images/cute-free-roblox-outfits_GM431946152.pdf
- https://pa-waingapu.go.id/images/free-spin-link-coin-master_GM406889139.pdf
- https://pa-waingapu.go.id/images/earn-free-robux-for-roblox_GM431946152.pdf
- https://pa-waingapu.go.id/images/roblox-microsoft-rewards_GM431946152.pdf
- https://pa-waingapu.go.id/images/coin-master-free-coins_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000496d.bin` `cbd2523ae3a3f81a20361af6cdd5dddecc6f2acc823448c50d0a422e0d8a6fd2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x496D	24512 bytes
`font_01_sfnt_off00008121.bin` `10ff19610ec10ba06ce370fdc76468137d93ed174f58c2f80433e0d310d8c060`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8121	18676 bytes

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