PDF malware analysis — malicious · 3ac10ce83da5346a

MALICIOUS

PDF

35.1 KB Created: 2021-06-28 13:57:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 84bb5ac77177ec4e1d10ced863197398 SHA-1: 510481da093c6c99e4b7a806fa806688386ab4bb SHA-256: 3ac10ce83da5346a9c4a36e67bec610cc32bfe7a57d7aa45d26627cdac1bd0ff

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous links, identified as a link farm, that direct users to websites offering game hacks and related content. The ML classifier strongly indicated maliciousness, and the presence of external URIs and a call-to-action button further supports a malicious intent to trick users into downloading potentially harmful files or visiting compromised sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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/free-draw-2-alpha-roblox-game-hack PDF link annotation
- http://www.area-tlc.com/public/ckfinder/userfiles/files/hack-roblox-counter-blox-2021_GM431946152.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/app-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/free-coin-master-spin-daily-link_GM406889139.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/roblox-hack-generator_GM431946152.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/discord-servers-that-give-free-robux_GM431946152.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/how-to-get-free-tokens-in-minecraft-ps4_GM479516143.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/get-free-robux-com_GM431946152.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/www-roblox-com-free-games-online_GM431946152.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/how-can-you-get-free-robux_GM431946152.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/easy-ways-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/roblox-tix-generator_GM431946152.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/coin-master-free-spins-apk-2021_GM406889139.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/how-to-get-free-followers-on-roblox_GM431946152.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/free-spins-for-coin-master-ios_GM406889139.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/static-moonactive-net-free-spins_GM406889139.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/how-to-get-robux-2021-hack_GM431946152.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/tiktok-fans-free_GM835599320.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/4-tik-tok-free-followers_GM835599320.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/free-on-roblox_GM431946152.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/guess-the-drawing-roblox-hack_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_off000031c1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x31C1	22176 bytes
SHA-256: `1b61e71a69967153e6d395cde10d1d83589ea16ba03c871937c4cc2afcc0535b`
`font_01_sfnt_off000062f6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62F6	19448 bytes
SHA-256: `fe8bd3fdee12adb4209e024c79bbdbf50dc28d27f3c97fe74c733882c627998c`

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