PDF malware analysis — malicious · 7e18c735e55c2092

MALICIOUS

PDF

46.2 KB Created: 2021-06-03 19:08:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: ea445c52ef4953dfeb99a358f3f9331d SHA-1: 414a3d951842f99fb6345ecf2aacd49e77a46d74 SHA-256: 7e18c735e55c2092b081237e6e9d9544727e01fa74ab62fa5082acabc8c02b1a

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 0.9864

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 https://netcdn.online/app/431946152/how-to-cheat-roblox-lumber-tycoon-2-money-game-hack PDF link annotation
- http://www.flytec.com.py/download/files/how-to-get-free-robux-on-phone_GM431946152.pdfIn PDF document text
- http://www.flytec.com.py/download/files/how-do-you-get-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://www.flytec.com.py/download/files/robux-free-online_GM431946152.pdfIn PDF document text
- http://www.flytec.com.py/download/files/free-spins-and-coins-coin-master_GM406889139.pdfIn PDF document text
- http://www.flytec.com.py/download/files/minecraft-java-edition-redeem-code-free-2021_GM479516143.pdfIn PDF document text
- http://www.flytec.com.py/download/files/best-free-minecraft-servers_GM479516143.pdfIn PDF document text
- http://www.flytec.com.py/download/files/roblox-free-vip-server_GM431946152.pdfIn PDF document text
- http://www.flytec.com.py/download/files/watch-tiktok-for-free_GM835599320.pdfIn PDF document text
- http://www.flytec.com.py/download/files/free-robux-games-that-actually-work-2021_GM431946152.pdfIn PDF document text
- http://www.flytec.com.py/download/files/coin-master-free-spin-and-coin-link-haktuts-hacking-news_GM406889139.pdfIn PDF document text
- http://www.flytec.com.py/download/files/free-roblox-animations_GM431946152.pdfIn PDF document text
- http://www.flytec.com.py/download/files/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
- http://www.flytec.com.py/download/files/minecraft-114-4-download_GM479516143.pdfIn PDF document text
- http://www.flytec.com.py/download/files/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://www.flytec.com.py/download/files/coin-master-apk-hack-35-8_GM406889139.pdfIn PDF document text
- http://www.flytec.com.py/download/files/how-to-get-free-robux-no-scam_GM431946152.pdfIn PDF document text
- http://www.flytec.com.py/download/files/roblox-arsenal-hack_GM431946152.pdfIn PDF document text
- http://www.flytec.com.py/download/files/free-robux-easy_GM431946152.pdfIn PDF document text
- http://www.flytec.com.py/download/files/wurst-client-download_GM479516143.pdfIn PDF document text
- http://www.flytec.com.py/download/files/coin-master-free-spin-redeem-code_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_off0000544d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x544D	25328 bytes
SHA-256: `e480b5910e58e4295e96ab6b28be9e625acab2491e4b7b0b7f196532e7251cf0`
`font_01_sfnt_off00008eef.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8EEF	19344 bytes
SHA-256: `efe7e9384f52901ae29aabc5500e50d3b29cff250565d3e8872e08a1e8cbca7f`

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