PDF malware analysis — malicious · 0176faf3511e4292

MALICIOUS

PDF

44.3 KB Created: 2021-05-13 09:03:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 43d450221318bdfdd532291b59a95fae SHA-1: 3b6b0bfb204a43f18f471b0daa665093fb18157a SHA-256: 0176faf3511e429228491eb6c70f3d1bcfb79e567b018e76c5b148ed4a379481

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a lure for game hacks and free in-game currency, directing users to a malicious URL. The ML classifier strongly flagged this PDF as malicious. The embedded URL is designed to trick users into visiting a site that likely hosts further malicious content or exploits.

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 https://netcdn.xyz/app/431946152/apps-that-give-you-free-robux-game-hack PDF link annotation
- https://affinityinsure.ca/files/free-robux-apk_GM431946152.pdfIn PDF document text
- https://affinityinsure.ca/files/minecraft-free-no-virus_GM479516143.pdfIn PDF document text
- https://affinityinsure.ca/files/roblox-hacks-2021_GM431946152.pdfIn PDF document text
- https://affinityinsure.ca/files/huskybuckscom-free-robux_GM431946152.pdfIn PDF document text
- https://affinityinsure.ca/files/kuso-icu-roblox-hack_GM431946152.pdfIn PDF document text
- https://affinityinsure.ca/files/roblox-admin-hack_GM431946152.pdfIn PDF document text
- https://affinityinsure.ca/files/robux-gift-card-free_GM431946152.pdfIn PDF document text
- https://affinityinsure.ca/files/robux-hack-2021_GM431946152.pdfIn PDF document text
- https://affinityinsure.ca/files/how-to-hack-roblox_GM431946152.pdfIn PDF document text
- https://affinityinsure.ca/files/coin-master-free-spins-app_GM406889139.pdfIn PDF document text
- https://affinityinsure.ca/files/free-gifts-coin-master_GM406889139.pdfIn PDF document text
- https://affinityinsure.ca/files/how-to-get-free-roebucks-on-roblox_GM431946152.pdfIn PDF document text
- https://affinityinsure.ca/files/robux-page_GM431946152.pdfIn PDF document text
- https://affinityinsure.ca/files/free-robux-generator-without-verification_GM431946152.pdfIn PDF document text
- https://affinityinsure.ca/files/coin-master-daily-free-spins-link-facebook_GM406889139.pdfIn PDF document text
- https://affinityinsure.ca/files/coin-master-free-spins-link-download_GM406889139.pdfIn PDF document text
- https://affinityinsure.ca/files/coin-master-pet-food-free_GM406889139.pdfIn PDF document text
- https://affinityinsure.ca/files/robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
- https://affinityinsure.ca/files/coin-master-time-hack-2021_GM406889139.pdfIn PDF document text
- https://affinityinsure.ca/files/coin-master-mod-version-free-download-ios_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
`stream_003_off00004660.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4660	28288 bytes
SHA-256: `f3eb3350d24ff5fc75e7ccfac31f5257dfc67bf28a327edf6c483b3eb1a25c63`
`font_01_sfnt_off0000885b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x885B	19084 bytes
SHA-256: `837a639daa187fc447bd118567dc66774ab6c99c19a83daf34219dbfdd013636`

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