PDF malware analysis — malicious · a01c212ce85d1b06

MALICIOUS

PDF

33.9 KB Created: 2021-06-26 14:06:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 232ce70fcfb9b934349d4b07f875caf8 SHA-1: b91eac25aeb2790223d65400f04327b24a8a4e31 SHA-256: a01c212ce85d1b06a5f073d1a864f0804b6bd1ad7808c3661334a19a97f2a231

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/fazbear-free-robux-scam-game-hack PDF link annotation
- https://loba.com.vn/public/upload/files/free-song-codes-for-roblox_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/best-free-minecraft-servers_GM479516143.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-link_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/roblox-font-free_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/how-to-hack-people-in-roblox_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-accessories-roblox_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-codes-2021-not-used-no-verification_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/hack-card-collection-coin-master_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/get-minecraft-windows-10-free_GM479516143.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/how-to-hack-coin-master_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/roblox-prison-life-v2-0-cheats_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/coin-master_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-coins-coin-master_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/sex-cheat-codes-roblox-sound-id_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-games-just-like-roblox_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/roblox-cheat-noclip_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-24-7-minecraft-server_GM479516143.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-codes-2021-real_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/how-to-get-free-tiktok-followers_GM835599320.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_off00002c9e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2C9E	23080 bytes
SHA-256: `d520555b5c835e882dd2f1f0a4af22d1bd8f9ff3cfcd07ba4b66a6eda5796610`
`font_01_sfnt_off00005f3a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F3A	19060 bytes
SHA-256: `32014a6fac6575adde896f8460915feadbcc99821c4f73071942abe1f9db24e8`

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