PDF malware analysis — malicious · 8ddbc14f6aba5ee9

MALICIOUS

PDF

33.5 KB Created: 2021-07-08 19:16:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 9e836e87e1c4220460b118f61a2d98f1 SHA-1: 4221cce1a1a2df0b09b1578582b3ef4e0060d35c SHA-256: 8ddbc14f6aba5ee978dfd2efa25143b71561fb5c62a783912ba6fdf52c161a86

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

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/roblox-report-hacker-game-hack PDF link annotation
- https://itamleek.net/uploaded_files/userfiles/files/rbx-place-free-robux_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/to-get-free-robux_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/free-robux-computer-generator_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/only-you-little-mix-cheat-codes-roblox-id_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/how-to-make-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/free-roblox-toy-codes-2021_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/roblox-hacking-website_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/coin-master-hack-spins-and-coins-unlimited-free-download_GM406889139.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/roblox-lawn-mower-simulator-hack_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/game-toolbox_GM479516143.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/rbl-gg-free-robux_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/cheat-engine-bypass-roblox-2021_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/coin-master-free-download_GM406889139.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/javascript-free-robux_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/free-robux-promo-codes_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/tiktok-free-wifi_GM835599320.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/how-to-get-a-lot-of-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/final-stand-roblox-hack_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/how-to-download-minecraft-hacks_GM479516143.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_off00002d6a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2D6A	21896 bytes
SHA-256: `f7864749b4a22d6ef1f8606346c421f5890ff2e0c928ad320a89f6a32d8210f8`
`font_01_sfnt_off00005dd5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5DD5	18936 bytes
SHA-256: `e792f80aad638b76d16f7c8bc2402453b770eaccb091489bd05380a50e304efa`

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