PDF malware analysis — malicious · 72bbb2809af34d9c

MALICIOUS

PDF

37.4 KB Created: 2021-06-27 20:14:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17

MD5: 7f03dd9c9950cdbd83b2e7f4f1426699 SHA-1: 461f83c47bb3307d610fc94a30cee97735107404 SHA-256: 72bbb2809af34d9c1fbc4f653ca7728a588b210c04c698441a3e7aa94413da53

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a game hack lure to entice users into clicking embedded links, such as 'http://netcdn.co/app/431946152/how-to-cheat-quirk-system-in-boku-no-roblox-game-hack'. The document's structure and embedded URLs strongly suggest it is designed to redirect users to potentially malicious websites or download further malware. No scripts were extracted, but the overall pattern indicates a phishing or social engineering attack.

Machine Learning

Nyx PDF Classifier malicious score 0.9981

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/how-to-cheat-quirk-system-in-boku-no-roblox-game-hack PDF link annotation
- http://www.alajwakh.com/uploaded_files/userfiles/files/free-roblox-hair-girl_GM431946152.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/roblox-dragon-ball-online-fighting-cheat-engine_GM431946152.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/roblox-apocalypse-rising-hack-2021_GM431946152.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/free-rbx-roblox_GM431946152.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/free-clothes-with-roblox_GM431946152.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/coin-master-free-spins-and-coins-hack_GM406889139.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/robux-hack_GM431946152.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/free-minecraft-severs_GM479516143.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/coin-master-lucky-patcher-hack_GM406889139.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/coin-master-hack-link-2021_GM406889139.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/how-to-cheat-in-roblox-welcome-to-farmland_GM431946152.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/coin-master-cheat-free_GM406889139.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/free-draw-2-roblox-hack_GM431946152.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/free-spins-coin-master-twitter_GM406889139.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/can-i-create-roblox-game-free_GM431946152.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/free-robux-legit-100_GM431946152.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/alone-how-to-get-for-free-roblox-2021_GM431946152.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/minecraft-free-download-laptop_GM479516143.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/free-robux-hacks-legit-no-survey_GM431946152.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/free-the-zombies-code-roblox-dance-simulator_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_off00003672.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3672	23096 bytes
SHA-256: `70c2acd82dba65decefee51a0a2eca4d7824dfa939640b51c8b3801bab81364b`
`font_01_sfnt_off00006a97.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6A97	19948 bytes
SHA-256: `0b65bcbd23c93302da96c6955c210fb4c0fc88606f87e3abaeaffab15168085c`

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