PDF malware analysis — malicious · 9b8ce77d17675e3f

MALICIOUS

PDF

33.8 KB Created: 2021-07-05 07:04:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: def5e8bedd0b70c42097f9a942ea1b1f SHA-1: 1d147004b7687404828c321be62982152b425bd0 SHA-256: 9b8ce77d17675e3f776c46cea84e69584c18752f06ef20a5a7f9ef8717c4ce5f

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.tw/app/406889139/coin-master-card-collection-link-game-hack PDF link annotation
- https://www.bodyammo.in/uploaded_files/userfiles/files/can-you-get-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/how-to-get-free-robux-nicsterv-2021_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/how-to-hack-a-account-password-on-roblox_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/how-to-get-free-robux-on-computer_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/tiktok-ui-kit-free_GM835599320.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-coin-master-cheats_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/how-to-get-free-robux-on-discord_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-spins-on-coin-master-iphone_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/roblox-glasses-code-to-get-for-free_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/roblox-admin-hack-2021-february_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-apk-mod-coin-master_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/code-free-robux_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-roblox-gift-card-generator-2021_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/how-to-get-free-food-for-foxy-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/how-to-hack-robux-with-cheat-engine-62_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-tiktok-likes-generator_GM835599320.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/minecraft-windows-10-free-with-java_GM479516143.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/diamond-roblox-hack_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_off00003060.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3060	22164 bytes
SHA-256: `3fac89acbfa34a6887f1a21f1ac882bfb8eedf04993280a76b7531b015fb9e2d`
`font_01_sfnt_off00006144.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6144	18252 bytes
SHA-256: `ffcdde65fbc11ac4564943f1b7ab4cc8ae2466c0ddb41cd48a89f042d41a65fb`

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