PDF malware analysis — malicious · 2e7089780645a9cc

MALICIOUS

PDF

48.8 KB Created: 2021-06-13 20:45:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 35246edbd412754ecf8d045d66c446ba SHA-1: 1417faa75dd9350bdcae268a763f93142ee1097f SHA-256: 2e7089780645a9cc99dfaf777bc3ec0e11ddd48046c4867866ebcb4db2a703fd

122 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document was flagged as malicious by an ML classifier. It uses a password-protected-archive lure. 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 0.9228

Heuristics 5

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.
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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/how-to-get-free-robux-hack-on-laptop-game-hack PDF link annotation
- http://www.sovtigaz.ru/f/files/download-coin-master-hack-apk_GM406889139.pdfIn PDF document text
- http://www.sovtigaz.ru/f/files/how-to-free-robux-100-virus_GM431946152.pdfIn PDF document text
- http://www.sovtigaz.ru/f/files/mcpe-master-coins-hack_GM406889139.pdfIn PDF document text
- http://www.sovtigaz.ru/f/files/hacks-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.sovtigaz.ru/f/files/coin-master-tiradas-gratis-2021_GM406889139.pdfIn PDF document text
- http://www.sovtigaz.ru/f/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- http://www.sovtigaz.ru/f/files/pokemon-go-free-100-iv-coordinates_GM1094591345.pdfIn PDF document text
- http://www.sovtigaz.ru/f/files/face-free-roblox_GM431946152.pdfIn PDF document text
- http://www.sovtigaz.ru/f/files/free-daily-coin-master-coins_GM406889139.pdfIn PDF document text
- http://www.sovtigaz.ru/f/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
- http://www.sovtigaz.ru/f/files/how-to-hack-roblox-website_GM431946152.pdfIn PDF document text
- http://www.sovtigaz.ru/f/files/download-coin-master-hack-mod-apk_GM406889139.pdfIn PDF document text
- http://www.sovtigaz.ru/f/files/minecraft-launcher-download-free_GM479516143.pdfIn PDF document text
- http://www.sovtigaz.ru/f/files/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://www.sovtigaz.ru/f/files/minecraft-hax-download-no-virus_GM479516143.pdfIn PDF document text
- http://www.sovtigaz.ru/f/files/roblox-girl-avatar_GM431946152.pdfIn PDF document text
- http://www.sovtigaz.ru/f/files/coin-master-hack-2021-app_GM406889139.pdfIn PDF document text
- http://www.sovtigaz.ru/f/files/tiktok-free-fans_GM835599320.pdfIn PDF document text
- http://www.sovtigaz.ru/f/files/how-to-change-your-roblox-username-for-free_GM431946152.pdfIn PDF document text
- http://www.sovtigaz.ru/f/files/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004a7d.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A7D	29348 bytes
SHA-256: `408cb9a69c6a3c9bdb30edfae818c045f7f2d4c8fa0215b4d6d42d9106fe1833`
`font_01_sfnt_off00008da8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8DA8	3988 bytes
SHA-256: `567b12258042b29dc9213b211e31194e9e0e96b59e87b0fcdaf4835989646dee`
`font_02_sfnt_off00009ac7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9AC7	18856 bytes
SHA-256: `dca9f880d075a645e49815efd77b9458b2a216bd2e897df5db39b9956ba21aeb`

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