PDF malware analysis — malicious · fd8f888823330ae1

MALICIOUS

PDF

49.8 KB Created: 2021-05-16 15:42:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: d2e85ff9d572e30f122bae537d165f83 SHA-1: ec2cdcbaab368acf5915c30e7f9a907eb97218b6 SHA-256: fd8f888823330ae1530a2824c7614c054627aef7ca47f4f6a70a93a2e07dd401

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that redirect to external sites, masquerading as game hacks or generators. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' strongly suggests a social engineering attempt to trick users into visiting potentially malicious websites. While no scripts were explicitly extracted, the presence of embedded URIs and the ML classifier's high confidence indicate a malicious intent, likely to lead users to a phishing or malware download page.

Machine Learning

Nyx PDF Classifier malicious score 0.8642

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 https://netcdn.xyz/app/406889139/coin-master-free-coins-and-spins-2021-game-hack PDF link annotation
- http://fengshui-shop.com.ua/images/coin-master-free-coin-hack_GM406889139.pdfIn PDF document text
- http://fengshui-shop.com.ua/images/free-spin-appscoin-master_GM406889139.pdfIn PDF document text
- http://fengshui-shop.com.ua/images/minecraft-pe-free-download-ios-no-jailbreak_GM479516143.pdfIn PDF document text
- http://fengshui-shop.com.ua/images/mcmaster-club-coin-master-hack_GM406889139.pdfIn PDF document text
- http://fengshui-shop.com.ua/images/coin-master-instagram-free-spins_GM406889139.pdfIn PDF document text
- http://fengshui-shop.com.ua/images/coin-master-time-hack_GM406889139.pdfIn PDF document text
- http://fengshui-shop.com.ua/images/get-coin-master-free-spin_GM406889139.pdfIn PDF document text
- http://fengshui-shop.com.ua/images/download-minecraft-bedrock_GM479516143.pdfIn PDF document text
- http://fengshui-shop.com.ua/images/coin-master-hacks-xyz_GM406889139.pdfIn PDF document text
- http://fengshui-shop.com.ua/images/free-robux-generator-codes_GM431946152.pdfIn PDF document text
- http://fengshui-shop.com.ua/images/coin-master-hack-without-verify_GM406889139.pdfIn PDF document text
- http://fengshui-shop.com.ua/images/coin-master-32-mod-hack-unlimited_GM406889139.pdfIn PDF document text
- http://fengshui-shop.com.ua/images/rbx-roblox_GM431946152.pdfIn PDF document text
- http://fengshui-shop.com.ua/images/free-spins-and-coins-for-coin-master-game_GM406889139.pdfIn PDF document text
- http://fengshui-shop.com.ua/images/how-to-hack-people-in-roblox_GM431946152.pdfIn PDF document text
- http://fengshui-shop.com.ua/images/minecraft-apk-free-download-016-0_GM479516143.pdfIn PDF document text
- http://fengshui-shop.com.ua/images/free-robux-ad_GM431946152.pdfIn PDF document text
- http://fengshui-shop.com.ua/images/http-coin-master-hack-club_GM406889139.pdfIn PDF document text
- http://fengshui-shop.com.ua/images/free-robux-generator-no-verification-2021_GM431946152.pdfIn PDF document text
- http://fengshui-shop.com.ua/images/coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004853.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4853	27416 bytes
SHA-256: `2b23adbfd386e1721458462d1228a0c0db31b02bbd2b9a8eed1ce2dae30062ce`
`font_01_sfnt_off00008746.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8746	4164 bytes
SHA-256: `bfa9c91020d13de31e62bf8b4ca0c65458a0d5400bab4088c698624d8acdf02b`
`font_02_sfnt_off0000958e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x958E	2788 bytes
SHA-256: `6fd7c7f447d66842f81aa8cf197935b17f22157d0c7e9f95622df1b5b4ddf530`
`font_03_sfnt_off00009f7d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9F7D	18460 bytes
SHA-256: `9b9248072d2421e664493d6d5ab14406474bc62db1d786ff94b6c1680f0f8261`

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