PDF malware analysis — malicious · 9dae32ccb5d8ee02

MALICIOUS

PDF

34.2 KB Created: 2021-07-05 12:38:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 5b66ae9bff96801eac46e5e052de6f69 SHA-1: 3d0af92ea20a20ddd59924483d297130d561bc03 SHA-256: 9dae32ccb5d8ee023c69dedc4487e8e09e4faef96dd873c968d7b6f5c28ce457

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/431946152/www-free-robux-game-hack PDF link annotation
- https://ciptawiratirta.com/assets/CKImages/files/minecraft-building-hacks_GM479516143.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/free-robux-offers_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/dancing-sim-roblox-hack_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/roblox-pet-simulator-lua-script-hack_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/roblox-survivalist-alpha-hack_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/third-person-hack-roblox_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/how-to-download-minecraft-windows-10-edition-for-free_GM479516143.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/free-links-for-coin-master_GM406889139.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/how-to-make-your-own-minecraft-server-for-free_GM479516143.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/free-roblox-gift-card-codes-2021-unused_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/free-robux-android_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/coin-master-free-spins-apk-2021_GM406889139.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/lazy-blocks-com-free-robux_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/how-to-get-free-robux-on-android-tablet_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/roblox-the-conquerors-3-hack-2021_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/galaxy-hair-roblox-free_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/hackear-coin-master_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_off00002fed.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2FED	21828 bytes
SHA-256: `86c5bd87cd2f1f0d385ee5acbdf4b85d5bc4757a5c0e3fdc08e4fea8bceca9ea`
`font_01_sfnt_off0000603a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x603A	19080 bytes
SHA-256: `acf5ca21e1b57f7804790e88d3c8e797014eccbd964a564fa6b8ab1e1ef3ee82`

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