PDF malware analysis — malicious · 3aeaa6ed31293551

MALICIOUS

PDF

44.9 KB Created: 2021-06-07 15:02:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 3b6f3c238e549fe39b1341bbdbdd7e80 SHA-1: abe3b6d1b601d144b1547d1184d5e31a78e125cc SHA-256: 3aeaa6ed31293551098ba3f0587b0b6e725357797aaeeaeabd4144a9fee47e54

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 0.9865

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 https://netcdn.tw/app/431946152/roblox-free-roblox-generator-game-hack PDF link annotation
- https://ciptawiratirta.com/assets/CKImages/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/coin-master-link-daily-get-free-spins-amp_GM406889139.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/free-robux-that-actually-works_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/working-coin-master-hack_GM406889139.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/roblox-free-robux_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/coin-master-free-gifts_GM406889139.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/free-coins-2021-coin-master-link_GM406889139.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/lazyblox-com-free-robux_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/minecraft-dungeons-free-download_GM479516143.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/how-to-get-free-robux-for-real_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/earn-free-robux-codes_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/roblox-people-girl_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/grab-points-login_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/today-coin-master-spin-free_GM406889139.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/coin-master-free-spin-and-coins-links_GM406889139.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/free-robux-youtube_GM431946152.pdfIn PDF document text
- https://ciptawiratirta.com/assets/CKImages/files/coin-master-hack-online-download_GM406889139.pdfIn PDF document text
- https://direct-link.netIn 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
`stream_004_off00005219.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5219	26584 bytes
SHA-256: `3e6de554da648bfe112a8da62961108953fa5c2c55b060a955558af6a41e047b`
`font_01_sfnt_off00008cfb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8CFB	18280 bytes
SHA-256: `44f106a5bda7fb94a9fcf3e52b0c44d460d72245e62ed02b1fb20afe6e55cd25`

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