PDF malware analysis — malicious · 08fd183cc9dea953

MALICIOUS

PDF

34.5 KB Created: 2021-06-27 02:29:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: e2a15e02a8aeb07b2e7dd64fbcb8de6c SHA-1: 22609d17db974cd568af413df5e5764452c838f1 SHA-256: 08fd183cc9dea9530a45c8b7297b3496e3fc827064c61ac68bc2eb70b659c4e1

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/hack-para-tener-robux-2021-game-hack PDF link annotation
- https://www.modestuae.com/uploaded_files/userfiles/files/coin-master-free-spins-ios-2021_GM406889139.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/coin-master-free-in-app-purchases_GM406889139.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/haktuts-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/cute-free-roblox-clothes_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/without-pokemon-go-free-account-2021_GM1094591345.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/roblox-robux-generator-tool_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/create-minecraft-server-free_GM479516143.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/coin-master-free-spin-and-trading-group_GM406889139.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/free-tiktok-followers-no-survey_GM835599320.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/roblox-free-suit_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/robux-download_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-downloading-apps-2021_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/coin-master-hack-online-without-human-verification_GM406889139.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/free-spins-and-coins-blogspot-coin-master_GM406889139.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/roblox-how-to-hack-booga-booga_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/coin-master-free-coins-facebook_GM406889139.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/coin-master-link-for-spins_GM406889139.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/how-to-get-free-robux-fast_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_off000030b6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x30B6	21936 bytes
SHA-256: `c288d064486052268b3e1fc77b862784da6fd0ce141c98cbb566c17cd97f7aab`
`font_01_sfnt_off000060fe.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x60FE	19280 bytes
SHA-256: `47e15f4d7e9347de50714043978adfb6d194f2b586b2d554d246cad099eb85d1`

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