PDF malware analysis — malicious · e375137130882e29

MALICIOUS

PDF

34.3 KB Created: 2021-06-26 12:59:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: b800c5de094d6101880601d26656c708 SHA-1: afd46bc1cfaa3c250c7d49730ec55610ae11e1a6 SHA-256: e375137130882e29eb262b3d06fa579947c8bba11a00fc4fc27ad026d7fff9f9

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure related to 'free Robux' and game hacks, directing users to a suspicious URL. This URL is likely part of a campaign to distribute malware or conduct phishing. The presence of embedded URLs and the 'game hack redirector' heuristic strongly indicate a malicious intent to trick users into visiting a dangerous site.

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.co/app/431946152/what-roblox-games-give-you-free-robux-game-hack PDF link annotation
- https://www.tiancom.com.tw/upload/files/mobihack-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/chisel-and-bits-mod-pe_GM479516143.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/hack-coin-master-spin-apk_GM406889139.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/free-robux-real-feb-24-2021_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/free-coin-and-spin-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/minecraft-pc-free_GM479516143.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/create-minecraft-server-free_GM479516143.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/coin-master-free-coins-and-spins-blogspot_GM406889139.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/static-moonactive-net_GM406889139.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/how-to-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/hacks-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/how-to-advance-roblox-hair-for-free_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/is-roblox-studio-free_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/free-robux-link_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/how-do-you-get-roblox-money_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/freecoins_GM406889139.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/roblox-generator_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/robux-hack-2021_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/all-google-exclusive-free-roblox-items_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_off00002e00.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E00	21968 bytes
SHA-256: `1f07e1b0615c421beea1f67dd4787a75626ddf35d7fe49da5e3653c306aef0f6`
`font_01_sfnt_off00005ea3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5EA3	19916 bytes
SHA-256: `182ea84b22c5ede6e46ecc564b809c7ed2012dc75d1e5a98e0fe79dfc3ddf93f`

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