PDF malware analysis — malicious · 513117b9abbcf6bc

MALICIOUS

PDF

35.9 KB Created: 2021-07-06 12:00:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04

MD5: ddde7d6e8589e29522fa0344052bb8b8 SHA-1: 9e56e7be46587d8c1d6a9199e02a6a49de8cc626 SHA-256: 513117b9abbcf6bc1cd7993af03a1f40f78a0bac3d50bad9b951df1ba70a436c

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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-32-hack-apk-game-hack PDF link annotation
- https://www.laxmansartemporium.com/uploaded_files/userfiles/files/hack-dragon-ball-online-roblox_GM431946152.pdfIn PDF document text
- https://www.laxmansartemporium.com/uploaded_files/userfiles/files/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.laxmansartemporium.com/uploaded_files/userfiles/files/roblox-hacks-and-cheats_GM431946152.pdfIn PDF document text
- https://www.laxmansartemporium.com/uploaded_files/userfiles/files/free-robux-com-no-verification_GM431946152.pdfIn PDF document text
- https://www.laxmansartemporium.com/uploaded_files/userfiles/files/roblox-atil-t-hack_GM431946152.pdfIn PDF document text
- https://www.laxmansartemporium.com/uploaded_files/userfiles/files/hack-roblox-autofarm_GM431946152.pdfIn PDF document text
- https://www.laxmansartemporium.com/uploaded_files/userfiles/files/coin-master-free-spin-daily-link_GM406889139.pdfIn PDF document text
- https://www.laxmansartemporium.com/uploaded_files/userfiles/files/how-to-get-free-tix-on-roblox-2021-no-download_GM431946152.pdfIn PDF document text
- https://www.laxmansartemporium.com/uploaded_files/userfiles/files/roblox-bgs-cheats_GM431946152.pdfIn PDF document text
- https://www.laxmansartemporium.com/uploaded_files/userfiles/files/how-to-get-free-robux-2021-june_GM431946152.pdfIn PDF document text
- https://www.laxmansartemporium.com/uploaded_files/userfiles/files/jamaica-roblox-free_GM431946152.pdfIn PDF document text
- https://www.laxmansartemporium.com/uploaded_files/userfiles/files/tiktok-free-hearts-hack_GM835599320.pdfIn PDF document text
- https://www.laxmansartemporium.com/uploaded_files/userfiles/files/free-daily-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.laxmansartemporium.com/uploaded_files/userfiles/files/how-to-earn-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://www.laxmansartemporium.com/uploaded_files/userfiles/files/how-to-get-free-hair-in-roblox_GM431946152.pdfIn PDF document text
- https://www.laxmansartemporium.com/uploaded_files/userfiles/files/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
- https://www.laxmansartemporium.com/uploaded_files/userfiles/files/how-to-make-anything-free-in-roblox_GM431946152.pdfIn PDF document text
- https://www.laxmansartemporium.com/uploaded_files/userfiles/files/minecraft-apk-114-4_GM479516143.pdfIn PDF document text
- https://www.laxmansartemporium.com/uploaded_files/userfiles/files/free-robux-hacker-us_GM431946152.pdfIn PDF document text
- https://www.laxmansartemporium.com/uploaded_files/userfiles/files/hack-coin-master-android_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_off000035d8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x35D8	22884 bytes
SHA-256: `3eef93733154581840ee906f9284fa38242037eeb0e0e2a3755896cf23bb5593`
`font_01_sfnt_off00006921.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6921	18480 bytes
SHA-256: `6f2106b72f0d236263976b3a9712b975436fb2cc304285a0ef58938fd2824524`

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