PDF malware analysis — malicious · 7ed486e48795036f

MALICIOUS

PDF

45.6 KB Created: 2021-06-09 17:27:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: e28aed76dbaad5cd7c6c65194628bd66 SHA-1: 84b79f519a46671a5192e3c9c7e330553a18eaf2 SHA-256: 7ed486e48795036f6df3e0d1e6bedb7199e7938d0383f6e61e2625ff2caa45e0

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document uses a game hacking lure to trick users into clicking malicious links. The primary link directs to a site that likely hosts a malicious payload, disguised as a game hack. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to redirect the user to a malicious download or exploit site.

Machine Learning

Nyx PDF Classifier malicious score 0.9864

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/how-to-be-a-hacker-in-roblox-2021-game-hack PDF link annotation
- https://www.nara.org.uk/uploads/files/files/wwwcoin-master-hack-game-download_GM406889139.pdfIn PDF document text
- https://www.nara.org.uk/uploads/files/files/robux-free-2021_GM431946152.pdfIn PDF document text
- https://www.nara.org.uk/uploads/files/files/minecraft-skins-free-girl_GM479516143.pdfIn PDF document text
- https://www.nara.org.uk/uploads/files/files/download-coin-master-apk-hacked_GM406889139.pdfIn PDF document text
- https://www.nara.org.uk/uploads/files/files/free-robux-com_GM431946152.pdfIn PDF document text
- https://www.nara.org.uk/uploads/files/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
- https://www.nara.org.uk/uploads/files/files/how-to-get-free-gold-cards-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.nara.org.uk/uploads/files/files/how-to-get-free-robux-for-kids_GM431946152.pdfIn PDF document text
- https://www.nara.org.uk/uploads/files/files/funbloxxyz-free-robux_GM431946152.pdfIn PDF document text
- https://www.nara.org.uk/uploads/files/files/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.nara.org.uk/uploads/files/files/free-tiktok-fans_GM835599320.pdfIn PDF document text
- https://www.nara.org.uk/uploads/files/files/getbucks-freecom-robux_GM431946152.pdfIn PDF document text
- https://www.nara.org.uk/uploads/files/files/free-ways-to-get-robux_GM431946152.pdfIn PDF document text
- https://www.nara.org.uk/uploads/files/files/earnrobux_GM431946152.pdfIn PDF document text
- https://www.nara.org.uk/uploads/files/files/free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
- https://www.nara.org.uk/uploads/files/files/roblox-arsenal-hack_GM431946152.pdfIn PDF document text
- https://www.nara.org.uk/uploads/files/files/coin-master-fb-free-spins-link_GM406889139.pdfIn PDF document text
- https://www.nara.org.uk/uploads/files/files/robux-hack-free-robux_GM431946152.pdfIn PDF document text
- https://www.nara.org.uk/uploads/files/files/coin-master-daily-free-spins-and-coins_GM406889139.pdfIn PDF document text
- https://www.nara.org.uk/uploads/files/files/www-claim-gg-to-earn-free-robux_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_off00005191.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5191	26336 bytes
SHA-256: `5a159d1f1bac446bbaf90e0f1a88611ea549b6d6538f16765bc27b83133a9c33`
`font_01_sfnt_off00008de4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8DE4	18748 bytes
SHA-256: `e6b465980d7f87eb35fc773051a3a0e81ecbf138c716647ac2f10fdf0867574f`

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