PDF malware analysis — malicious · 7f6936748a5aa03d

MALICIOUS

PDF

35.3 KB Created: 2021-06-21 00:55:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 6c1b52f158c1197c5479c7ec55675eb9 SHA-1: 8627567402bcab687f4a9565a2cb0a8f36cd2d26 SHA-256: 7f6936748a5aa03d33fdb6cfb0b903f0f9120b1dcf1884443cdd9936b97a6926

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/free-games-on-roblox-you-can-copy-game-hack PDF link annotation
- https://5dollarslogo.com/ckfinder/userfiles/files/base-wars-roblox-hack-2021_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/free-roblox-girl-clothes_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/coin-master-free-spins-link-today-new_GM406889139.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/coin-master-email-rewards-link_GM406889139.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/free-robux-not-fake_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/free-robux-gen_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/money-hack-the-plaza-roblox_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/coin-master-free-spins-coins_GM406889139.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/can-i-make-a-roblox-group-for-free_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/free-robux-no-offers_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/free-robux-no-verification-no-download-2021_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/arsenal-hacks-roblox_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/coin-master-free-spins-promo-code_GM406889139.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/build-to-survive-zombie-free-roblox_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/coin-master-free-in-app-purchases-jailbreak_GM406889139.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/collect-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/coin-master-hack-uk_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
`font_00_sfnt_off00003116.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3116	22700 bytes
SHA-256: `7d4c80884efca29a0b966d791391a7b47b6dea242a4e363e1e61f5bd936bcff4`
`font_01_sfnt_off00006370.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6370	19568 bytes
SHA-256: `aaa9f026a6531082c6381a2e833a7f5bebb376246648f68ad45912755a910f29`

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