PDF malware analysis — malicious · c07d5406ce0c20d2

MALICIOUS

PDF

34.6 KB Created: 2021-06-19 18:17:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: e91fbe93997ffbb4c2f814a97e749054 SHA-1: 8e1c5100ee80525acf9b2f9f62bd8dbac9145672 SHA-256: c07d5406ce0c20d2f813f85339671ee6b64561bf50f1d4e837bf9e751f38839a

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document employs a game hack lure, specifically referencing 'free skins in Roblox', to entice users to click on an embedded URL. This URL, http://netcdn.co/app/431946152/make-skins-in-roblox-for-free-game-hack, likely leads to the download of a malicious second-stage payload. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed for user exploitation.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE

PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
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 http://netcdn.co/app/431946152/make-skins-in-roblox-for-free-game-hack PDF link annotation
- https://www.impactlive.ca/userfiles/files/every-free-item-in-roblox_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/how-to-equip-knife-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/get-free-money-on-adopt-ke-roblox_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/admin-script-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/free-synapses-roblox_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/rc7-roblox-download-free_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/how-to-hack-on-roblox-saber-wars-alpha_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/roblox-hack-dungueon-questcom_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/frobux-free-robux_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/free-catalog-maker-roblox_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/free-stuff-in-roblox-catalog-2021_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/can-you-charge-robux-if-you-are-free-user_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/free-robux-clicker_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/roblox-cool-outfits-free_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/roblox-changename-hack-pastebin_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/roblox-redline-hack_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/free-roblox-printables_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/how-to-hack-roblox-admin-commands-script_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/how-to-get-robux-hack-2021_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00002fe2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2FE2	22560 bytes
SHA-256: `d20d60fb9c3472627cbeeba142fe3cc4a5e68e339f133885d35eca194b27054f`
`font_01_sfnt_off00006228.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6228	19136 bytes
SHA-256: `a69c603e82794992d4d58b3fc3bd200d56c2667655e27ff8e97d67989edd873b`

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