PDF malware analysis — malicious · 0f6c5f4d5d7af516

MALICIOUS

PDF

41.7 KB Created: 2021-05-14 07:30:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 3db58d8ca32e7a4e569414e588e3ade9 SHA-1: 5baef35007ca2c82f142a081ac75a9e7c9146725 SHA-256: 0f6c5f4d5d7af516952e34c6ecff1227a29ef402d69631a0872329af78ef803f

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document contains multiple embedded URLs that are designed to lure users into clicking on links related to game hacks and free in-game currency. The primary URL, 'https://netcdn.xyz/app/406889139/free-links-coin-master-game-hack', and numerous others hosted on 'takathmanduhotel.com' strongly suggest a phishing or malware distribution attempt. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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/free-links-coin-master-game-hack PDF link annotation
- https://www.takathmanduhotel.com/userfiles/files/113-hacked-client_GM479516143.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/coin-master-free-spins-16-04-19_GM406889139.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/coin-master-mod-apk-latest-hack-with-unlimited-free-spins_GM406889139.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/coin-master-free-spins-link-download_GM406889139.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/coin-master-online-hack-link_GM406889139.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/coin-master-hack-2021-no-human-verification_GM406889139.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/coin-master-links-2021_GM406889139.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/toolbox-for-minecraft-pe_GM479516143.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/coin-master-hack-2021-apk-download_GM406889139.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/earn-free-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/www-roblox-com-robux-free_GM431946152.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/coin-master-hack-apk_GM406889139.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/free-100-robux_GM431946152.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/minecraft-realms-free-codes_GM479516143.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/how-to-get-minecraft-for-free-on-ps4_GM479516143.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/coin-master-hack-software-download_GM406889139.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/how-to-get-robux-fast_GM431946152.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/roblox-hacks-and-cheats_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_003_off000048e5.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x48E5	24740 bytes
SHA-256: `e82bcf0f9ae6a96244134f89324f3dfed326acc96fed3d6b54bfbb9958bb68b0`
`font_01_sfnt_off000081ef.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x81EF	17880 bytes
SHA-256: `c5130e18caf6f7222c4492e4e2e2fc6b4580e14129763dcab090a363ad6db2dc`

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