PDF malware analysis — malicious · afda6ba0b1de3876

MALICIOUS

PDF

34.5 KB Created: 2021-06-20 23:06:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: f701fc8df4834315622d04c65bce0509 SHA-1: e6a37a9018c0f07076235cacb14fee94ff9e4c9c SHA-256: afda6ba0b1de38765119bd3dbf97f77c2e254a4d2b113c396310035146839a85

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/ideos-de-thanos-en-roblox-como-perfil-free-game-hack PDF link annotation
- http://www.repion.com/uploaded_files/userfiles/files/roblox-tower-defense-simulator-hack-script_GM431946152.pdfIn PDF document text
- http://www.repion.com/uploaded_files/userfiles/files/roblox-hacked-client-esp_GM431946152.pdfIn PDF document text
- http://www.repion.com/uploaded_files/userfiles/files/pixies-gigantic-coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
- http://www.repion.com/uploaded_files/userfiles/files/coin-master-free-spins-daily-fb-champion_GM406889139.pdfIn PDF document text
- http://www.repion.com/uploaded_files/userfiles/files/pubg-uc-to-pkr_GM1330123889.pdfIn PDF document text
- http://www.repion.com/uploaded_files/userfiles/files/robux-online_GM431946152.pdfIn PDF document text
- http://www.repion.com/uploaded_files/userfiles/files/how-can-you-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://www.repion.com/uploaded_files/userfiles/files/does-cheat-engine-still-work-on-roblox_GM431946152.pdfIn PDF document text
- http://www.repion.com/uploaded_files/userfiles/files/guuudinfo-robux-hacks_GM431946152.pdfIn PDF document text
- http://www.repion.com/uploaded_files/userfiles/files/coin-master-free-spins-link-2021-iphone_GM406889139.pdfIn PDF document text
- http://www.repion.com/uploaded_files/userfiles/files/250-robux-free_GM431946152.pdfIn PDF document text
- http://www.repion.com/uploaded_files/userfiles/files/bux-free-robux_GM431946152.pdfIn PDF document text
- http://www.repion.com/uploaded_files/userfiles/files/bad-minecraft-free_GM479516143.pdfIn PDF document text
- http://www.repion.com/uploaded_files/userfiles/files/give-me-free-robux_GM431946152.pdfIn PDF document text
- http://www.repion.com/uploaded_files/userfiles/files/free-roblox-glasses_GM431946152.pdfIn PDF document text
- http://www.repion.com/uploaded_files/userfiles/files/hack-spin-coin-master-2021_GM406889139.pdfIn PDF document text
- http://www.repion.com/uploaded_files/userfiles/files/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
- http://www.repion.com/uploaded_files/userfiles/files/robux-hacks-2021_GM431946152.pdfIn PDF document text
- http://www.repion.com/uploaded_files/userfiles/files/pokeballs-pokemon-go-free_GM1094591345.pdfIn PDF document text
- http://www.repion.com/uploaded_files/userfiles/files/coin-master-hack-without-verification-code-2021_GM406889139.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_off00002f18.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F18	22116 bytes
SHA-256: `8d134115d95ac163e1aa97c669aba24a9c6999534f790da205a401f87ce93c72`
`font_01_sfnt_off0000602a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x602A	19692 bytes
SHA-256: `94464bb4fd068d412e7d497d4b2fa9504c745383ae4cc41acfa8263d16c0365d`

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