PDF malware analysis — malicious · 96631da2018dfad0

MALICIOUS

PDF

43.9 KB Created: 2021-06-03 18:20:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 750209a47cf8794562fa22a11320199e SHA-1: dc1607205aebba027631f61545ec8411504a8eba SHA-256: 96631da2018dfad0cfd6e573cc9a7d69bd30d4681c47dafacb1b66166bce71ac

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 0.9987

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 https://netcdn.online/app/431946152/rbx-land-free-robux-game-hack PDF link annotation
- https://www.talakeel.com/uploaded_files/userfiles/files/earn-robux-online_GM431946152.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/how-to-get-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/coin-master-hack-cheat-generator-coins-and-spins-unlimited_GM406889139.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/free-tiktok-followers-no-human-verification-or-survey-2021_GM835599320.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/coin-master-hack-without-verification-code-2021_GM406889139.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/free-coin-spin-daily-link-for-coin-master-game_GM406889139.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/coin-master-rewards_GM406889139.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/roblox-generator-no-verification_GM431946152.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/how-to-buy-robux-for-free_GM431946152.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/coin-master-free-spins-coins_GM406889139.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/how-to-hack-coin-master-with-game-guardian_GM406889139.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/minecraft-games-free-to-play-online_GM479516143.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/game-give-free-robux_GM431946152.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/unlimited-spin-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/roblox-script-executor-free_GM431946152.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/tiktok-free-view-kreatif-lucu_GM835599320.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
- https://www.talakeel.com/uploaded_files/userfiles/files/minecraft-gun-mod-download-free_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
`stream_002_off00004ae7.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4AE7	27088 bytes
SHA-256: `5f6b90c8222d62405d895f394ec9c686b9f5f2c1aa9d7bbc68f24f3b9f772ac4`
`font_01_sfnt_off00008917.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8917	18416 bytes
SHA-256: `ed1846d837a30ccb27e25bdb955d82aabb746909bdcfb120b1e9cc4e6290fa01`

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