PDF malware analysis — malicious · 09cf9c4e87618a8a

MALICIOUS

PDF

35.7 KB Created: 2021-06-25 21:41:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 2a29e9eb19c10562420c0153d7fbd216 SHA-1: 52c1ca42a87be6d3cab731756e92a7779cd6b1c5 SHA-256: 09cf9c4e87618a8a2844148bf3c517ea58a60d23d74005b21276cadda5eb02a1

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 0.9980

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-griups-game-hack PDF link annotation
- http://www.agasrestaurant.com/uploaded_files/userfiles/files/money-hack-jailbreak-roblox_GM431946152.pdfIn PDF document text
- http://www.agasrestaurant.com/uploaded_files/userfiles/files/how-to-get-explorer-up-on-roblox-hack-v3rmillion_GM431946152.pdfIn PDF document text
- http://www.agasrestaurant.com/uploaded_files/userfiles/files/roblox-hacks-mas-fuertes_GM431946152.pdfIn PDF document text
- http://www.agasrestaurant.com/uploaded_files/userfiles/files/free-robux-gift-card-codes-2021_GM431946152.pdfIn PDF document text
- http://www.agasrestaurant.com/uploaded_files/userfiles/files/free-spin-codes-coin-master_GM406889139.pdfIn PDF document text
- http://www.agasrestaurant.com/uploaded_files/userfiles/files/dust-trust-roblox-hacker_GM431946152.pdfIn PDF document text
- http://www.agasrestaurant.com/uploaded_files/userfiles/files/how-do-you-get-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://www.agasrestaurant.com/uploaded_files/userfiles/files/coin-master-free-spins-and-coins-today-gift-reward_GM406889139.pdfIn PDF document text
- http://www.agasrestaurant.com/uploaded_files/userfiles/files/coin-master-hack-tool-ios_GM406889139.pdfIn PDF document text
- http://www.agasrestaurant.com/uploaded_files/userfiles/files/bots-hacker-en-roblox_GM431946152.pdfIn PDF document text
- http://www.agasrestaurant.com/uploaded_files/userfiles/files/get-free-robux-com_GM431946152.pdfIn PDF document text
- http://www.agasrestaurant.com/uploaded_files/userfiles/files/tiktok-views-free_GM835599320.pdfIn PDF document text
- http://www.agasrestaurant.com/uploaded_files/userfiles/files/roblox-com-redeem_GM431946152.pdfIn PDF document text
- http://www.agasrestaurant.com/uploaded_files/userfiles/files/does-robux-hacknet-work_GM431946152.pdfIn PDF document text
- http://www.agasrestaurant.com/uploaded_files/userfiles/files/script-executor-roblox-free_GM431946152.pdfIn PDF document text
- http://www.agasrestaurant.com/uploaded_files/userfiles/files/roblox-games-with-free-radio_GM431946152.pdfIn PDF document text
- http://www.agasrestaurant.com/uploaded_files/userfiles/files/tiktok-download-free-jio-phone_GM835599320.pdfIn PDF document text
- http://www.agasrestaurant.com/uploaded_files/userfiles/files/coin-master-free-spin-and-coins-links-2021_GM406889139.pdfIn PDF document text
- http://www.agasrestaurant.com/uploaded_files/userfiles/files/microsoft-robux_GM431946152.pdfIn PDF document text
- http://www.agasrestaurant.com/uploaded_files/userfiles/files/minecraft-free-unblocked_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
`font_00_sfnt_off00003413.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3413	22552 bytes
SHA-256: `b557e568c09b420745471d28f3b8e747da0153a0217df659c76310f5af10a19c`
`font_01_sfnt_off0000668d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x668D	19084 bytes
SHA-256: `861df94aac067affc2ae08185c76e5915d9835e816dd9a91997006fac73dca25`

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