PDF malware analysis — malicious · ad2b90538e30b3bd

MALICIOUS

PDF

33.4 KB Created: 2021-07-04 08:44:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 1d85ca9cef71ae473ff96e643ce9af9a SHA-1: 1b336754da12e1d572fb4e06809945ac57fabe7e SHA-256: ad2b90538e30b3bd0d7a6c0bc975be43864434b3ab8c31aab0a1f3c95c61c65d

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/minecraft-login-free-game-hack PDF link annotation
- https://www.e-learningmin10jakarta.com/__statics/gudangsoal/files/robux-hacks-2021_GM431946152.pdfIn PDF document text
- https://www.e-learningmin10jakarta.com/__statics/gudangsoal/files/i-want-free-robux_GM431946152.pdfIn PDF document text
- https://e-learningmin10jakarta.com/__statics/gudangsoal/files/roblox-login-hack_GM431946152.pdfIn PDF document text
- https://e-learningmin10jakarta.com/__statics/gudangsoal/files/free-robux-websites-2021_GM431946152.pdfIn PDF document text
- https://www.e-learningmin10jakarta.com/__statics/gudangsoal/files/how-do-u-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://e-learningmin10jakarta.com/__statics/gudangsoal/files/cheat-speed-simulator-roblox_GM431946152.pdfIn PDF document text
- https://e-learningmin10jakarta.com/__statics/gudangsoal/files/roblox-skywars-mega-vip-free-glitch_GM431946152.pdfIn PDF document text
- https://e-learningmin10jakarta.com/__statics/gudangsoal/files/testing-free-email-robux_GM431946152.pdfIn PDF document text
- https://e-learningmin10jakarta.com/__statics/gudangsoal/files/roblox-adopt-me-free-legendary_GM431946152.pdfIn PDF document text
- https://e-learningmin10jakarta.com/__statics/gudangsoal/files/free-robux-quiz-answers_GM431946152.pdfIn PDF document text
- https://e-learningmin10jakarta.com/__statics/gudangsoal/files/noclip-hack-roblox-download_GM431946152.pdfIn PDF document text
- https://www.e-learningmin10jakarta.com/__statics/gudangsoal/files/is-minecraft-free_GM479516143.pdfIn PDF document text
- https://e-learningmin10jakarta.com/__statics/gudangsoal/files/free-robux-redeem-codes-2021_GM431946152.pdfIn PDF document text
- https://e-learningmin10jakarta.com/__statics/gudangsoal/files/how-to-spot-a-hacker-in-roblox_GM431946152.pdfIn PDF document text
- https://e-learningmin10jakarta.com/__statics/gudangsoal/files/free-robux-no-anti-bot-verification_GM431946152.pdfIn PDF document text
- https://e-learningmin10jakarta.com/__statics/gudangsoal/files/coin-master-spin-cheat_GM406889139.pdfIn PDF document text
- https://www.e-learningmin10jakarta.com/__statics/gudangsoal/files/how-to-hack-roblox-on-mac_GM431946152.pdfIn PDF document text
- https://www.e-learningmin10jakarta.com/__statics/gudangsoal/files/how-o-have-free-robux_GM431946152.pdfIn PDF document text
- https://www.e-learningmin10jakarta.com/__statics/gudangsoal/files/free-member-roblox_GM431946152.pdfIn PDF document text
- https://e-learningmin10jakarta.com/__statics/gudangsoal/files/free-catalogue-roblox_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_off00002fd1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2FD1	22016 bytes
SHA-256: `d0ad18ac8022ade83c99877ecf7ead288ea8bd3a57395c9a3769705406da177c`
`font_01_sfnt_off000060a0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x60A0	17996 bytes
SHA-256: `a07e2ad8fd79bb30e6fc1ebe6b3b8a9b32aa8410594bf0891ac0147b7718a067`

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