PDF malware analysis — malicious · 87b3be112e108261

MALICIOUS

PDF

34.2 KB Created: 2021-07-05 01:13:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: d3ecf46d5d57b09d877b65953443e9c3 SHA-1: 61a94e9574262edbebfa17d5b36802ebf6a64212 SHA-256: 87b3be112e108261e962c071dd2f8f7b8052460de4dcf2eb4042b0d5da044522

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure for game hacks and in-game currency, directing users to a suspicious URL. The ML classifier strongly indicates maliciousness, and the presence of external URIs suggests a redirection to a potentially malicious site for further exploitation or credential harvesting. No scripts were extracted, but the document's structure and embedded links point towards a social engineering attack.

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/431946152/free-roblox-avatar-ideas-game-hack PDF link annotation
- https://creationegyptco.com/userfiles/files/free-real-roblox-robux-genereator_GM431946152.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/games-that-give-free-robux_GM431946152.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/pokemon-go-free-license-key_GM1094591345.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/coin-master-pc-hack-tool_GM406889139.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/free-robux-500-000_GM431946152.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/murder-mystry-roblox-hacks_GM431946152.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/hack-r-roblox_GM431946152.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/roblox-hacks-2021_GM431946152.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/tiktok-free-view-30_GM835599320.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/roblox-no-download-hack_GM431946152.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/free-robux-by-watching-ads_GM431946152.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/haktuts-coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/coin-master-32-hack-apk-download_GM406889139.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/reel-hack-for-roblox-jailbreak_GM431946152.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/roblox-hack_GM431946152.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/coin-master-free-spin-game_GM406889139.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/coin-master-hack-spins-and-coins-unlimited-free-download_GM406889139.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/cm-spin-link_GM406889139.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_off00002f1f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F1F	22244 bytes
SHA-256: `f5316a24603c5b2820825bf912c1428fb68a79532a19b7f9cb8e26897a8f4eec`
`font_01_sfnt_off0000605d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x605D	19040 bytes
SHA-256: `ad2d59536519275d6c005bbb7f6b17868ed93de8c720afdca884edb772968032`

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