PDF malware analysis — malicious · 36b4c95f17687e30

MALICIOUS

PDF

36.6 KB Created: 2021-06-29 10:43:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17

MD5: f342338aa7e8f36c3d2e52819aed1638 SHA-1: 8d366b018a630c7a6a7b7d320c63b9d9d963f93e SHA-256: 36b4c95f17687e30fa12d90f7855ba99fd25eb08001eb0b3ec2c2bb00086cd1d

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains embedded URLs and a lure related to game hacks and free currency for Roblox, indicating a phishing or scam attempt. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' strongly suggests this intent. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the lure point towards a potential download or redirection to a malicious site, likely exploiting a PDF vulnerability.

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/cheat-engine-fonctionne-sur-quel-jeu-roblox-game-hack PDF link annotation
- https://baligaoritour.com/new/public/ckfinder/userfiles/files/lol-robloxcant-patch-the-free-robux_GM431946152.pdfIn PDF document text
- https://baligaoritour.com/new/public/ckfinder/userfiles/files/how-to-hack-roblox-cheat-engine-65_GM431946152.pdfIn PDF document text
- https://baligaoritour.com/new/public/ckfinder/userfiles/files/book-on-how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
- https://baligaoritour.com/new/public/ckfinder/userfiles/files/roblox-blood-and-iron-music-changer-hack_GM431946152.pdfIn PDF document text
- https://baligaoritour.com/new/public/ckfinder/userfiles/files/free-robux-2021_GM431946152.pdfIn PDF document text
- https://baligaoritour.com/new/public/ckfinder/userfiles/files/roblox-free-wings_GM431946152.pdfIn PDF document text
- https://baligaoritour.com/new/public/ckfinder/userfiles/files/blox-land-free-robux_GM431946152.pdfIn PDF document text
- https://baligaoritour.com/new/public/ckfinder/userfiles/files/coin-master-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
- https://baligaoritour.com/new/public/ckfinder/userfiles/files/how-to-get-free-coins-and-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://baligaoritour.com/new/public/ckfinder/userfiles/files/free-spins-coin-master-no-survey_GM406889139.pdfIn PDF document text
- https://baligaoritour.com/new/public/ckfinder/userfiles/files/free-robux-code-generator-2021_GM431946152.pdfIn PDF document text
- https://baligaoritour.com/new/public/ckfinder/userfiles/files/hack-roblox-sped_GM431946152.pdfIn PDF document text
- https://baligaoritour.com/new/public/ckfinder/userfiles/files/play-minecraft-online-free_GM479516143.pdfIn PDF document text
- https://baligaoritour.com/new/public/ckfinder/userfiles/files/free-robux-generator-roblox-hack-2021_GM431946152.pdfIn PDF document text
- https://baligaoritour.com/new/public/ckfinder/userfiles/files/get-free-robux-today_GM431946152.pdfIn PDF document text
- https://baligaoritour.com/new/public/ckfinder/userfiles/files/arc-of-elements-roblox-hack_GM431946152.pdfIn PDF document text
- https://baligaoritour.com/new/public/ckfinder/userfiles/files/roblox-com-free-robux_GM431946152.pdfIn PDF document text
- https://baligaoritour.com/new/public/ckfinder/userfiles/files/how-to-make-a-minecraft-bedrock-server-for-free_GM479516143.pdfIn PDF document text
- https://baligaoritour.com/new/public/ckfinder/userfiles/files/how-to-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://baligaoritour.com/new/public/ckfinder/userfiles/files/how-to-get-free-clothes-on-roblox-2021_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_off00003716.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3716	22340 bytes
SHA-256: `aca80f8a367a2eaaab69c210f9c97643916dc08fcc83a7bde17e98760e4aa9f4`
`font_01_sfnt_off000068f9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x68F9	19504 bytes
SHA-256: `29f376e8e7ab0a17b32fea0b14a925b427de1f982c25c594ec0e16c856bb8890`

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