PDF malware analysis — malicious · e125f835c47117b6

MALICIOUS

PDF

34.4 KB Created: 2021-07-03 18:24:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: e22dd7f5681b60a12250545bb3ebc0f0 SHA-1: b0138e5d190dce8483169e88beac3f2fdbdc5eef SHA-256: e125f835c47117b6ca40093054fee8f3058fac58c78f330cb51460a2ef747f04

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/406889139/free-games-like-coin-master-game-hack PDF link annotation
- https://www.modestuae.com/uploaded_files/userfiles/files/april-1st-hack-roblox_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/how-to-hack-in-mad-games-roblox_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/how-to-lego-hack-in-roblox_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/roblox-e-free_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/free-robux-hack-site-youtubecom_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/roblox-shirt-template-free_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/coin-master-hack-apk-download-for-android_GM406889139.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/how-to-hack-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/roblox-sex-hack-script_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/coin-master-hack-download-android_GM406889139.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/haktuts-free-spins_GM406889139.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/minecraft-cheats-pc-2021_GM479516143.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/free-spins-and-coins-coin-master-2021-link_GM406889139.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/free-robux-no-verification-2021-pc_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/coin-master-game-hack-app_GM406889139.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/coin-master-free-spins-hack-download_GM406889139.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/coin-master-game-hacking-tricks_GM406889139.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/roblox-xbox-one-free_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/rbx-free_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/win-free-robux_GM431946152.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_off00003165.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3165	22500 bytes
SHA-256: `20a00ec60c2a71f6a8071f7eed9af2db69042b82e1d73c5deb4ba82d2a945ad2`
`font_01_sfnt_off00006381.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6381	18428 bytes
SHA-256: `ed943cf8b3a940e9ba93039f2e1c3044306ced7212105b5f40adfb060e21551f`

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