PDF malware analysis — malicious · 1240e0929e9d8704

MALICIOUS

PDF

44.9 KB Created: 2021-05-12 01:12:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07

MD5: c24cc22fae080a59360f41e4a828abdd SHA-1: 4a06c5854660d21b53dba3ae01c3e772b6c25745 SHA-256: 1240e0929e9d8704d81111ea743e73c81bbaab0ad3fc5d12b990f5dd7a2adddc

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a high-severity heuristic indicating it links to a game hack lure. The embedded URL, https://netcdn.xyz/app/406889139/coin-master-levels-game-hack, is likely the initial landing page for a phishing or malware distribution campaign. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9632

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-levels-game-hack PDF link annotation
- https://www.andhrarealty.in/uploaded_files/userfiles/files/what-do-points-do-in-roblox_GM431946152.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/100-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/80-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/free-robux-with-no-verification-2021_GM431946152.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/free-robux-apk_GM431946152.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/free-robux-games-that-actually-work-2021_GM431946152.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/spin-and-coin-link_GM406889139.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/free-daily-coin-master-coins_GM406889139.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/how-to-make-a-modded-minecraft-server-for-free_GM479516143.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/www-claim-gg-to-earn-free-robux_GM431946152.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/how-to-get-free-roblox_GM431946152.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/legit-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/roblox-cheat_GM431946152.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/hacks-for-minecraft-bedrock_GM479516143.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/how-do-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/free-minecraft-mods-for-pc_GM479516143.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/minecraft-story-mode-free-download_GM479516143.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/how-to-get-free-robux-gift-cards_GM431946152.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/rewardex-robux_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004997.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4997	25676 bytes
SHA-256: `2ab1b69ab19ae548239591f9c52c29280b0485d844b4fb120b36101835fdfa35`
`font_01_sfnt_off000084a1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x84A1	2880 bytes
SHA-256: `29ffac6ae2c225ad742d302df2deaca7764d0abb58a6f2c81d3137a4f416ba07`
`font_02_sfnt_off00008e90.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8E90	17732 bytes
SHA-256: `ece869c08c97b9ee594c748b621902d10deb759bd9c2ff9e8d3e4156f530a3e8`

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