PDF malware analysis — malicious · 99dc25420b935dd6

MALICIOUS

PDF

35.2 KB Created: 2021-07-04 11:11:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 7fa599b8f903ed86c818c3336ac9264e SHA-1: ab1d3b5212dc42e933a4841801c4c42c11371a6a SHA-256: 99dc25420b935dd63357c37e4d4b2ff4b1b7d02b6c3a78dd30319f71698e3faa

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains a lure for game hacks, specifically mentioning 'Roblox Admin Hack', and links to a suspicious URL. The ML classifier also flagged this PDF as malicious. The presence of embedded URLs and the nature of the lure suggest an attempt to redirect the user to a site that likely hosts further malicious content or exploits.

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/431946152/roblox-admin-hack-game-hack PDF link annotation
- https://www.pswpallets.com/uploaded_files/userfiles/files/minecraft-free-apk_GM479516143.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/near-pokemon-go-free-server_GM1094591345.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/robloxia-kid-free-robux_GM431946152.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/minecraft-nintendo-switch-digital-code-free_GM479516143.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/coinmaster_GM406889139.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/ap-rewards-free-robux_GM431946152.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/free-spins-for-coin-master-that-work_GM406889139.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/free-robux-inspect-2021-saves_GM431946152.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/coin-master-200-spin-link_GM406889139.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/minecraft-mods-download-free_GM479516143.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/free-online-robux-generator-no-survey_GM431946152.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/free-tiktok-likes-and-followers_GM835599320.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/robux-page_GM431946152.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/coin-master-daily-free-spins-link-today-2021-free_GM406889139.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/free-roblox-hacks-pc_GM431946152.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/is-roblox-free-on-xbox_GM431946152.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/roblox-com-hack_GM431946152.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/coin-master-32-mod-hack-apk-download_GM406889139.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_off000034a8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x34A8	21612 bytes
SHA-256: `3bb19dae6dc37859641a4672445e8a4e89f95f91b65d7c1c794433899950dc73`
`font_01_sfnt_off00006417.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6417	19208 bytes
SHA-256: `e5ca730804d66bebf4e5e52c5751bcc2b57707170b28c3b0ce40a6afaace4474`

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