PDF malware analysis — malicious · 02ef237b126a216e

MALICIOUS

PDF

34.9 KB Created: 2021-07-04 05:10:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 1d621b336f5be33e37548d7979aed164 SHA-1: 4929d8eb887b1549793d326a6b07c6bd59a4d63c SHA-256: 02ef237b126a216e2d952ab251c50d357ba2a9432cd5a615d5efe2e96853461c

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/479516143/minecraft-hack-download-game-hack PDF link annotation
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/cheat-codes-for-legend-of-speed-roblox_GM431946152.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
- https://hullerkopipagaralam.com/ckfinder/userfiles/files/robux-hack-generator-no-survey-2021_GM431946152.pdfIn PDF document text
- https://hullerkopipagaralam.com/ckfinder/userfiles/files/free-things-in-catalog-roblox_GM431946152.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/best-site-for-free-coin-master_GM406889139.pdfIn PDF document text
- https://hullerkopipagaralam.com/ckfinder/userfiles/files/coin-master-cards-free_GM406889139.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/roblox-premium-free_GM431946152.pdfIn PDF document text
- https://hullerkopipagaralam.com/ckfinder/userfiles/files/roblox-bc-free-trial_GM431946152.pdfIn PDF document text
- https://hullerkopipagaralam.com/ckfinder/userfiles/files/roblox-free-stuff-codes_GM431946152.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/minecraft-for-chromebook-free_GM479516143.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/safe-free-robux-generstor_GM431946152.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/cheat-roblox-dongeon-quest-installer_GM431946152.pdfIn PDF document text
- https://hullerkopipagaralam.com/ckfinder/userfiles/files/free-robux-with-synapse_GM431946152.pdfIn PDF document text
- https://hullerkopipagaralam.com/ckfinder/userfiles/files/free-robux-generator-no-survey_GM431946152.pdfIn PDF document text
- https://hullerkopipagaralam.com/ckfinder/userfiles/files/how-to-get-free-followers-on-tiktok-without-human-verification_GM835599320.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/free-minecraft-alts_GM479516143.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/freespins-coin-master_GM406889139.pdfIn PDF document text
- https://hullerkopipagaralam.com/ckfinder/userfiles/files/free-roblox-police-uniform_GM431946152.pdfIn PDF document text
- https://hullerkopipagaralam.com/ckfinder/userfiles/files/free-roblox-alts-to-bypass-account-age_GM431946152.pdfIn PDF document text
- https://hullerkopipagaralam.com/ckfinder/userfiles/files/www-coin-master-hack-xyz_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_off0000318e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x318E	22728 bytes
SHA-256: `e1fa01f5a10befdaed247da0816e08f544bd8547a9a5d30931189464e3af22f4`
`font_01_sfnt_off00006466.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6466	18748 bytes
SHA-256: `7d976cf09cf6847225c0071798e8d9f98538d253ea26ac6bed308074c1f82c66`

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