PDF malware analysis — malicious · 9469407545fca28b

MALICIOUS

PDF

35.3 KB Created: 2021-07-09 02:05:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 52c3c49fca508a2132eff8dd7027ad1c SHA-1: f01febda99b43d2895ad05a2fb2fa52a65215d96 SHA-256: 9469407545fca28b8712af8acbb0185a6773fce543f422ae40214ec9bf95c7f3

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a high-confidence heuristic firing for a game hack redirect lure, pointing to a URL that promises free items for Coin Master. The document body also contains this URL, reinforcing the lure. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of it being used for phishing or malware distribution.

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-100-spin-slot-game-hack PDF link annotation
- https://www.bodyammo.in/uploaded_files/userfiles/files/tiktok-free-movie-website_GM835599320.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/roblox-free-download-full-version_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/minecraft-thumbnail-maker-free_GM479516143.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/como-hackear-coin-master-espaol_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/roblox-crashes-when-i-open-cheat-engine_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-robux-ad_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-15-free-spin-link-today_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-free-spins-link-2021-no-verification_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/robux-generators-that-actually-work_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-spin-hack_GM406889139.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/free-roblox-injector_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-hack-spin-generator_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-vpn-for-minecraft_GM479516143.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-hack-2021-free_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/huong-dan-tai-hack-roblox_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-heaven-free-spins_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/error-roblox-hacker_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-robux-codes-not-used_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_off00003371.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3371	22908 bytes
SHA-256: `3458ffbd6ffb7e4a2626d9b94149799f69823aae11fb91084b180d46c296b794`
`font_01_sfnt_off000066ef.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x66EF	18364 bytes
SHA-256: `88797bd407c711461b4daf793cee71082bf3bd1979785ca26b5cf25185c1003e`

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