PDF malware analysis — malicious · 912e4127b2861a5b

MALICIOUS

PDF

34.9 KB Created: 2021-06-27 07:44:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: ed5c8b16c5db8bda4d0fa4a4b12b5eb9 SHA-1: c4e6cf0e0226e8a5128b8845e0ca994f3dd33818 SHA-256: 912e4127b2861a5b27abb266df9bd12f3058652577b0bb6e1adfce424e8b9abb

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacks and free currency for popular games, directing users to a suspicious URL. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URLs further supports a malicious intent to redirect users to potentially harmful content. No scripts were extracted from this sample.

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/hacks-en-csgo-roblox-en-espaol-game-hack PDF link annotation
- https://www.sses.com.sa/uploaded_files/userfiles/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/free-robux-codes-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/coin-master-free-spins-cheats_GM406889139.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/robux-link_GM431946152.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/free-coin-master-coins-and-spins_GM406889139.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/coin-master-sound-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/tiktok-likes-free_GM835599320.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/how-to-hack-roblox-2021-march_GM431946152.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/how-you-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/how-do-i-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/coin-master-hack-xyz_GM406889139.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/how-do-you-earn-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/free-coin-master-hacks-no-verification-or-survey_GM406889139.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/free-spins-on-coin-master-without-human-verification_GM406889139.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/free-robux-no-verification-no-download_GM431946152.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/robux-generator-without-human-verification_GM431946152.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/icebreaker-roblox-hacks_GM431946152.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/free-minecraft-alt-accounts_GM479516143.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/coin-master-free-spins-link-2021_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_off000031da.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x31DA	22324 bytes
SHA-256: `d44106c36b87d9980f41ccfd3f808991f335aa1fafc9bca8c720208ea127ada9`
`font_01_sfnt_off000063b0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63B0	18832 bytes
SHA-256: `97a7c5dc19cbe552693c4465d0ed221399450a771090d1c6ef4c99e0293412ca`

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