PDF malware analysis — malicious · 3e982c4e393a9dda

MALICIOUS

PDF

34.9 KB Created: 2021-07-03 14:59:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: e361653b8987fe7ae8b879c8e78a3b99 SHA-1: b7667d983bdc0fc0da4b2d2a3ec8e93a98fa3ee0 SHA-256: 3e982c4e393a9ddacde73958de5bce5528d56829cd24a95c55987638af12e990

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure for a game hack, directing users to a suspicious URL. The ML classifier strongly flagged this PDF as malicious. While no scripts were extracted, the presence of external URIs and the game hack lure indicate a likely attempt to redirect users to a malicious site for downloading malware or phishing.

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/hack-coin-master-with-lucky-patcher-game-hack PDF link annotation
- https://www.wetotravels.com/uploaded_files/userfiles/files/free-robux-games-on-ipad_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/free-roblox-neclaces_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/roblox-cp_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/free-hoverboard-roblox-mad-city_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/free-roblox-exploiting_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/coin-master-golden-cards-hack_GM406889139.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/freerobuxhack-us-2021_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/minecraft-redeem-code-free-2021_GM479516143.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/free-roblox-clothes-templates_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/roblox-redeem-card-codes-free_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/script-for-have-gamepass-free-roblox-pastebin_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/free-robux-no-verification-2021-android_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/pubg-uc-ucuz_GM1330123889.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/coin-master-hack-spins-and-coins-unlimited-free_GM406889139.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/cheats-for-the-plaza-roblox_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/how-to-get-a-refund-on-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/coin-master-free-spin-ml_GM406889139.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/robuxmatchcom-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
`stream_002_off0000313f.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x313F	22744 bytes
SHA-256: `e6bb0d63583317597682f2cb58388b7ed1c95b29467c74b6da68179e728d6807`
`font_01_sfnt_off00006414.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6414	18844 bytes
SHA-256: `8e156f057f70b0626a2a94044e94f4d4176a21a8de5c2b608b5eed643ab4e9eb`

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