PDF malware analysis — malicious · 00343e03f76ec2fe

MALICIOUS

PDF

33.0 KB Created: 2021-07-17 00:00:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 1ffdd9da3a7f7aa7f0caad7697312445 SHA-1: 54c009c6778b04dd42b0d298b2f09a91a4359d94 SHA-256: 00343e03f76ec2febcc1ea52fddfbcea3038b4b499f433a0ef9cd0d908a5a677

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains a lure related to game hacks and free currency, directing users to a malicious URL. The ML classifier strongly flagged this PDF as malicious, and the embedded links suggest a social engineering tactic to trick users into downloading or visiting further malicious content. No scripts were extracted, but the PDF structure and linked URLs indicate a likely attempt to exploit user interest in game cheats for malicious purposes.

Machine Learning

Nyx PDF Classifier malicious score 0.9900

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/431946152/roblox-robux-hack-game-hack PDF link annotation
- https://e-learning.man4pandeglang.sch.id/__statics/gudangsoal/files/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://e-learning.man4pandeglang.sch.id/__statics/gudangsoal/files/real-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://e-learning.man4pandeglang.sch.id/__statics/gudangsoal/files/speed-hack-script-roblox_GM431946152.pdfIn PDF document text
- https://e-learning.man4pandeglang.sch.id/__statics/gudangsoal/files/info-roblox-com-robux_GM431946152.pdfIn PDF document text
- https://e-learning.man4pandeglang.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins-link-download_GM406889139.pdfIn PDF document text
- https://e-learning.man4pandeglang.sch.id/__statics/gudangsoal/files/how-do-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://e-learning.man4pandeglang.sch.id/__statics/gudangsoal/files/free-roblox-gift-card_GM431946152.pdfIn PDF document text
- https://e-learning.man4pandeglang.sch.id/__statics/gudangsoal/files/spin-and-coin-link_GM406889139.pdfIn PDF document text
- https://e-learning.man4pandeglang.sch.id/__statics/gudangsoal/files/buy-hacked-roblox-account_GM431946152.pdfIn PDF document text
- https://e-learning.man4pandeglang.sch.id/__statics/gudangsoal/files/how-to-do-speed-hack-on-roblox-mad-paintball_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_off00002db4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2DB4	21892 bytes
SHA-256: `3a5746cf1391151dd189eb661538f30ebfffbcdadc49d0fbe066e5b890b6c6e6`
`font_01_sfnt_off00005e09.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5E09	18508 bytes
SHA-256: `4668884a5238ce392f70cf6270cdd41fb4d04f02843369cb50cdd53041a5b0b7`

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