PDF malware analysis — malicious · 22214d8796a7944e

MALICIOUS

PDF

34.3 KB Created: 2021-07-06 05:37:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 11cfd9d63cea1a04853e171bac03acb2 SHA-1: 10e9893746e2bf77d722009b169a3ce824f7884e SHA-256: 22214d8796a7944ecb4074e798175967ba35bdf25b1add614b17e21610ee604a

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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.tw/app/479516143/free-minecraft-printables-game-hack PDF link annotation
- https://www.jonaled.com/uploaded_files/userfiles/files/getting-free-robux-inspect_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/free-to-use-roblox-ads_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/minecraft-linux-free_GM479516143.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/rewardex-robux_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/coin-master-hack-apk-2021-download_GM406889139.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/a-tab-that-can-get-robux-for-free_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/completely-black-pants-roblox-free_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/free-robux-not-fake_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/http-wwwrobux-hack_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/how-to-fly-in-roblox-free_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/hack-fool-roblox_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/moonactive-free-spins_GM406889139.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/roblox-hack-generator_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/bitcoin-mining-simulator-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/cool-roblox-avatars-for-free_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/roblox-no-download-hack_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/coin-master-hack-app_GM406889139.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/easy-robux-cheat_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_off00003263.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3263	22244 bytes
SHA-256: `c6dc8ab788cf39c2d0e434600cc2df91067a9b785db706141c63d391f994b07d`
`font_01_sfnt_off0000639e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x639E	18240 bytes
SHA-256: `88c1583924e4df7bbca9c9847ac4d52f5c04679015d4c663ed573c82f3a7ef36`

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