PDF malware analysis — malicious · 030fbf431e5ee7fa

MALICIOUS

PDF

34.4 KB Created: 2021-06-18 06:47:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: e38553afed678268d9444d5ec8751e7b SHA-1: 85b9dcb53dc6a555efbc8e1716687e504a8f2cbb SHA-256: 030fbf431e5ee7fafe261fc5bab5de96b9f02bce8c7a02f8a9f535d097eaad3c

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure for game hacks and currency, directing users to the URL http://netcdn.co/app/431946152/free-roblox-code-giveaways-game-hack. This URL is likely used to deliver a secondary malicious payload or conduct phishing. The ML classifier also strongly indicated maliciousness, supporting the observed lure.

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/free-roblox-code-giveaways-game-hack PDF link annotation
- https://www.gotsolution.se/uploaded_files/userfiles/files/play-games-for-robux_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/robux-free-co_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/block-best-robux_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/300-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/coin-master-hacks-for-iphone_GM406889139.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/pasos-para-hackear-coins-master_GM406889139.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/how-to-hack-roblox-account-with-cookie-editor_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/pubg-uc-or-ag_GM1330123889.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/how-to-get-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/how-to-hack-m-coins-mcpe-master_GM406889139.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/coin-master-hack-mod-apk-unlimited-spins_GM406889139.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/free-robux-codes-2021-real_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/coin-master-hack-online-download_GM406889139.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/download-hack-coin-master-apk_GM406889139.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/free-roblox-acc_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/win-free-robux_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/roblox-hack-game_GM431946152.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/what-is-a-minecraft-client_GM479516143.pdfIn PDF document text
- https://www.gotsolution.se/uploaded_files/userfiles/files/free-robux-come_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_off00002f9d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F9D	22188 bytes
SHA-256: `fa52d399f9489ea14dc4c8c23e32fb904499f826172678b3f69ca88d0fddbd26`
`font_01_sfnt_off000060fc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x60FC	19216 bytes
SHA-256: `f90971b7df872fd2e4a9deb17e5f22ca76671f7d739c97e442e5e43076845a8e`

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