PDF malware analysis — malicious · 46e85dcf16e411a0

MALICIOUS

PDF

35.6 KB Created: 2021-07-03 11:15:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: cec1a08d31507e7f312d5899479cc3f2 SHA-1: 3111820f2fc3b77b15cc3a3aeae38bfa99175c90 SHA-256: 46e85dcf16e411a0da19af9f69f5e18f1c1cace84e17ed82bb29260e2ef6047e

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains lures for game hacks and free items, directing users to external URLs. The ML classifier strongly flagged this PDF as malicious, and heuristics indicate it's a redirector for game hack content. Although no scripts were explicitly extracted, the embedded URLs suggest a phishing or scam attempt, likely leading to further malicious downloads or credential harvesting.

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/406889139/free-coins-and-free-spins-coin-master-2021-game-hack PDF link annotation
- https://vieclamjapan.com/upload/files/roblox-gravity-hack_GM431946152.pdfIn PDF document text
- https://vieclamjapan.com/upload/files/toolbox-for-minecraft-pe_GM479516143.pdfIn PDF document text
- https://vieclamjapan.com/upload/files/free-spins-coin-master-2021-hack_GM406889139.pdfIn PDF document text
- https://vieclamjapan.com/upload/files/how-to-hack-a-roblox-account-using-command-prompt_GM431946152.pdfIn PDF document text
- https://vieclamjapan.com/upload/files/roblox-hack-free-download-no-survey_GM431946152.pdfIn PDF document text
- https://vieclamjapan.com/upload/files/roblox-free-pants-adidas_GM431946152.pdfIn PDF document text
- https://vieclamjapan.com/upload/files/gameoffice-net-hack-coin-master_GM406889139.pdfIn PDF document text
- https://vieclamjapan.com/upload/files/minecraft-fly-hack_GM479516143.pdfIn PDF document text
- https://vieclamjapan.com/upload/files/minecraft-java-edition-free-download_GM479516143.pdfIn PDF document text
- https://vieclamjapan.com/upload/files/free-coins-for-coin-master-blogger_GM406889139.pdfIn PDF document text
- https://vieclamjapan.com/upload/files/if-you-delete-minecraft-can-you-redownload-it-for-free_GM479516143.pdfIn PDF document text
- https://vieclamjapan.com/upload/files/minecraft-free-edition_GM479516143.pdfIn PDF document text
- https://vieclamjapan.com/upload/files/free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
- https://vieclamjapan.com/upload/files/minecraft-free-computer-game_GM479516143.pdfIn PDF document text
- https://vieclamjapan.com/upload/files/robloxfun-com-robux_GM431946152.pdfIn PDF document text
- https://vieclamjapan.com/upload/files/coin-master-lucky-patcher-hack_GM406889139.pdfIn PDF document text
- https://vieclamjapan.com/upload/files/cheat-on-roblox-ghost-simulator_GM431946152.pdfIn PDF document text
- https://vieclamjapan.com/upload/files/how-to-make-a-hacking-game-in-roblox-2021_GM431946152.pdfIn PDF document text
- https://vieclamjapan.com/upload/files/hack-coin-master-net_GM406889139.pdfIn PDF document text
- https://vieclamjapan.com/upload/files/how-to-get-free-admin-comands-on-roblox_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_off000033bd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x33BD	22788 bytes
SHA-256: `5bb3f58e97cbc912e84ba7579f262b89548f2c328db3725bdd0f437fab56c0ca`
`font_01_sfnt_off000066e5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x66E5	18752 bytes
SHA-256: `2808497b37fc1d4f34a1fffc3dd5e81983cd3403e98677a9ba5497e95ebc42c8`

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