PDF malware analysis — malicious · 2d02f34a97b0d2f7

MALICIOUS

PDF

35.6 KB Created: 2021-07-05 23:02:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: 64e72ce46561525062797df6a575dd56 SHA-1: 386d40a3f06cdc64ee70845f4e53e45a61bac0ea SHA-256: 2d02f34a97b0d2f705ece12c1a457a8e2418a2a33aa75cf53bca278587866f8b

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a prominent link to a website promising game hacks and free spins, a common lure for phishing or malware distribution. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple similar URLs reinforces the malicious intent. The document's primary function appears to be directing users to potentially harmful external content.

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/coin-master-free-spins-hack-no-human-verification-game-hack PDF link annotation
- https://www.orbai.ai/uploaded_files/userfiles/files/minecraft-font-free_GM479516143.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/real-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/free-robux-2021-still-working_GM431946152.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/coin-master-free-spin-and-coins-links-2021_GM406889139.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/how-to-get-22-000-robux-for-free_GM431946152.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/how-to-get-robux-for-free-website_GM431946152.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/minecraft-116-apk-download_GM479516143.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/coin-master-free-spins-16-04-19_GM406889139.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/phoenix-hack-roblox_GM431946152.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/free-t-shirt-roblox_GM431946152.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/roblox-high-school-games-for-free_GM431946152.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/free-coin-master-spins_GM406889139.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/free-robux-working_GM431946152.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/free-robux-app-apk_GM431946152.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/minecraft-games-online-free-no-download_GM479516143.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/coin-master-hack-uk_GM406889139.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/hacks-roblox_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_off000034f9.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x34F9	22376 bytes
SHA-256: `7d22995d0f1b7df8a2ab1ef76baf5bf83e834476c879b65ebd29476cba8c5e9c`
`font_01_sfnt_off000066b3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x66B3	18880 bytes
SHA-256: `52bf7e01ff5d6494e622334a26eccef1bcc1b13c70471615843df61ad6900904`

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