PDF malware analysis — malicious · 6bda58f1b99bc110

MALICIOUS

PDF

34.1 KB Created: 2021-06-19 13:32:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 759ba660bc8a6ad7bc266f34913907f2 SHA-1: 69e0ecdad900fce9d7ab9bea41699510d1ac78cd SHA-256: 6bda58f1b99bc110d7c79172e684fb169b220c97a20f0f7cf4fb1d51d3355e7d

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

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.co/app/431946152/pepsi-hacks-roblox-script-cbro-game-hack PDF link annotation
- https://uofk.edu/images/minecraft-windows-10-free-trial_GM479516143.pdfIn PDF document text
- https://uofk.edu/images/new-hack-roblox-2021_GM431946152.pdfIn PDF document text
- https://uofk.edu/images/robux-hack-free-robux_GM431946152.pdfIn PDF document text
- https://uofk.edu/images/coin-master-hack-online-2021_GM406889139.pdfIn PDF document text
- https://uofk.edu/images/how-to-get-free-robux-in-roblox-pc-2021_GM431946152.pdfIn PDF document text
- https://uofk.edu/images/how-to-get-free-robux-in-roblox-2021-may_GM431946152.pdfIn PDF document text
- https://uofk.edu/images/coin-master-hack-apk-online_GM406889139.pdfIn PDF document text
- https://uofk.edu/images/free-robux-today_GM431946152.pdfIn PDF document text
- https://uofk.edu/images/coin-master-free-spins-link-facebook_GM406889139.pdfIn PDF document text
- https://uofk.edu/images/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
- https://uofk.edu/images/how-to-hack-roblox-with-inspect-element-2021_GM431946152.pdfIn PDF document text
- https://uofk.edu/images/minecraft-bedrock-free-with-java_GM479516143.pdfIn PDF document text
- https://uofk.edu/images/roblox-skywars-how-to-get-free-armor_GM431946152.pdfIn PDF document text
- https://uofk.edu/images/coin-master-free-spins-hack_GM406889139.pdfIn PDF document text
- https://uofk.edu/images/how-to-cheat-in-apocalypse-rising-in-roblox_GM431946152.pdfIn PDF document text
- https://uofk.edu/images/roblox-free-draw-trolling_GM431946152.pdfIn PDF document text
- https://uofk.edu/images/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
- https://uofk.edu/images/tiktok-free-like_GM835599320.pdfIn PDF document text
- https://uofk.edu/images/free-robux-gift-card-codes-not-used-2021_GM431946152.pdfIn PDF document text
- https://uofk.edu/images/minecraft-bedrock-edition-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_off00002e45.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E45	22220 bytes
SHA-256: `ca72fe7caef821ab64a663403f8322a8b6958b485c303ae72ab859efe702c3b4`
`font_01_sfnt_off00005fbc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5FBC	19212 bytes
SHA-256: `7fa4128b46f78a9bcf50252339ef488e6b4e8f2255783c27cd24d635d2a513f1`

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