PDF malware analysis — malicious · fc48e50f6cf233cc

MALICIOUS

PDF

35.9 KB Created: 2021-07-01 16:10:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: d9ae178822e019208a1fe0e1659d3909 SHA-1: f61ca010ae6abd69381d94d05fec0db889bd5c16 SHA-256: fc48e50f6cf233cc23f6f4786283cc48bc961ab0f406a754b84e72d45b6d5d70

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacks, specifically for Roblox, and directs users to a URL that appears to be a redirector for a malicious application. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a social engineering attack to trick users into downloading potentially harmful content.

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/admin-commands-hack-for-roblox-game-hack PDF link annotation
- https://www.alloywheels.in/uploaded_files/userfiles/files/free-roblox-accounts-that-work_GM431946152.pdfIn PDF document text
- https://www.alloywheels.in/uploaded_files/userfiles/files/coin-master-hacks-free-spins_GM406889139.pdfIn PDF document text
- https://www.alloywheels.in/uploaded_files/userfiles/files/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.alloywheels.in/uploaded_files/userfiles/files/coin-master-free-spin-27_GM406889139.pdfIn PDF document text
- https://www.alloywheels.in/uploaded_files/userfiles/files/minecraft-thumbnail-maker-free_GM479516143.pdfIn PDF document text
- https://www.alloywheels.in/uploaded_files/userfiles/files/how-to-earn-free-robux-giftcards-no-scam-or-clickbait_GM431946152.pdfIn PDF document text
- https://www.alloywheels.in/uploaded_files/userfiles/files/free-links-to-coin-master_GM406889139.pdfIn PDF document text
- https://www.alloywheels.in/uploaded_files/userfiles/files/cone-master_GM406889139.pdfIn PDF document text
- https://www.alloywheels.in/uploaded_files/userfiles/files/hacks-and-cheats-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.alloywheels.in/uploaded_files/userfiles/files/free-robux-websites-2021_GM431946152.pdfIn PDF document text
- https://www.alloywheels.in/uploaded_files/userfiles/files/free-group-payouts-roblox_GM431946152.pdfIn PDF document text
- https://www.alloywheels.in/uploaded_files/userfiles/files/free-robux-co_GM431946152.pdfIn PDF document text
- https://www.alloywheels.in/uploaded_files/userfiles/files/gkt-hacked-through-roblox_GM431946152.pdfIn PDF document text
- https://www.alloywheels.in/uploaded_files/userfiles/files/free-links-coin-master_GM406889139.pdfIn PDF document text
- https://www.alloywheels.in/uploaded_files/userfiles/files/roblox-plates-of-fate-hack-floating_GM431946152.pdfIn PDF document text
- https://www.alloywheels.in/uploaded_files/userfiles/files/free-coin-master-spins_GM406889139.pdfIn PDF document text
- https://www.alloywheels.in/uploaded_files/userfiles/files/free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
- https://www.alloywheels.in/uploaded_files/userfiles/files/coin-master-apk-hack-35-8_GM406889139.pdfIn PDF document text
- https://www.alloywheels.in/uploaded_files/userfiles/files/how-to-hack-coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.alloywheels.in/uploaded_files/userfiles/files/free-robux-without-human-verification-on-pc_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_off0000344a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x344A	22664 bytes
SHA-256: `59288e22ac87f30e6f89556fff79cc95fe9ae95121dc487e64aaef946853d5ed`
`font_01_sfnt_off000066ae.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x66AE	19376 bytes
SHA-256: `fa67ee7ff0723e1d73f59b064aa54f40fa9fb28683999e1ae838f3b800a9299e`

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