PDF malware analysis — malicious · 085fe02efc59e5e5

MALICIOUS

PDF

36.1 KB Created: 2021-07-09 15:42:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 7f626f7a55534d002b056f7e9d81b0e3 SHA-1: 581051a2d689c08f355ed2b8ef3f237475baacfd SHA-256: 085fe02efc59e5e565f3e8e041baf65f7589e32732a5fe96a6310b369be4518b

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a high-severity heuristic indicating it links to a 'free generator / game hack' lure. The document body and extracted URLs reinforce this, pointing to a URL that promises free spins and game hacks. The ML classifier also flagged this PDF as malicious, suggesting it's designed to redirect users to a potentially harmful site.

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/free-spins-coin-master-november-2021-game-hack PDF link annotation
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-attack-block-hack_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/bit-ly-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/javascript-free-robux_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/https-webrobloxcom-free-robux-sortfilter-defaulttimefilter-0_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/roblox-cp_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/roblox-free-2021-robux_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/tiktok-free-cuthbert_GM835599320.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-robux-virus_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-robux-site_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-coins-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-hack-ios-jailbreak_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/minecraft-hack-2021_GM479516143.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/how-to-get-free-robux-without-surveys_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-downloads-for-coin-master-daily-rewards_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/roblox-hack-download_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-free-coins-facebook_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-executor-roblox_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/robuxmatchcom-free-robux_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/how-to-get-free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/cache-http-freerobuxclub_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_off000034c5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x34C5	22848 bytes
SHA-256: `de8de22e4cf419dcfac67735d6b288bc0da3c2c8b935b756eb6ceaac7c3856a5`
`font_01_sfnt_off000067ed.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x67ED	19108 bytes
SHA-256: `36e1eeceeee3fc781fda3d2e545cbef07c02bf5a92aae23fcef36e22720d751b`

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