PDF malware analysis — malicious · fcc120ec17d559f9

MALICIOUS

PDF

35.5 KB Created: 2021-06-25 23:32:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 3ac6f1c0457314848ba9171ee971c9b2 SHA-1: d474256d8c7690993f6c0c4408c53713cd15640d SHA-256: fcc120ec17d559f9596a7bcb71456bf6c55681f2ee6ac5518e4080fd5f32b90e

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.co/app/431946152/free-obc-roblox-codes-game-hack PDF link annotation
- https://www.lanumedispa.ie/uploaded_files/userfiles/files/minecraft-for-ps3-free_GM479516143.pdfIn PDF document text
- https://www.lanumedispa.ie/uploaded_files/userfiles/files/roblox-hack-youtube_GM431946152.pdfIn PDF document text
- https://www.lanumedispa.ie/uploaded_files/userfiles/files/coin-master-free-spins-1701-20_GM406889139.pdfIn PDF document text
- https://www.lanumedispa.ie/uploaded_files/userfiles/files/bloxburg-money-hack-roblox_GM431946152.pdfIn PDF document text
- https://www.lanumedispa.ie/uploaded_files/userfiles/files/roblox-redeem_GM431946152.pdfIn PDF document text
- https://www.lanumedispa.ie/uploaded_files/userfiles/files/coin-master-free-spins-link-facebook_GM406889139.pdfIn PDF document text
- https://www.lanumedispa.ie/uploaded_files/userfiles/files/free-spins-for-coin-master-app_GM406889139.pdfIn PDF document text
- https://www.lanumedispa.ie/uploaded_files/userfiles/files/free-robux-sites-that-work_GM431946152.pdfIn PDF document text
- https://www.lanumedispa.ie/uploaded_files/userfiles/files/free-robux-chrome-extention_GM431946152.pdfIn PDF document text
- https://www.lanumedispa.ie/uploaded_files/userfiles/files/minecraft-apk-android-free_GM479516143.pdfIn PDF document text
- https://www.lanumedispa.ie/uploaded_files/userfiles/files/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.lanumedispa.ie/uploaded_files/userfiles/files/free-spin-gratis-coin-master_GM406889139.pdfIn PDF document text
- https://www.lanumedispa.ie/uploaded_files/userfiles/files/free-robux-codes-com_GM431946152.pdfIn PDF document text
- https://www.lanumedispa.ie/uploaded_files/userfiles/files/free-robux-websites-that-work_GM431946152.pdfIn PDF document text
- https://www.lanumedispa.ie/uploaded_files/userfiles/files/bux-life-earn-free-robux_GM431946152.pdfIn PDF document text
- https://www.lanumedispa.ie/uploaded_files/userfiles/files/free-admin-commands-for-roblox_GM431946152.pdfIn PDF document text
- https://www.lanumedispa.ie/uploaded_files/userfiles/files/coin-master-free-soins_GM406889139.pdfIn PDF document text
- https://www.lanumedispa.ie/uploaded_files/userfiles/files/free-roblox-svg_GM431946152.pdfIn PDF document text
- https://www.lanumedispa.ie/uploaded_files/userfiles/files/get-free-robux-now_GM431946152.pdfIn PDF document text
- https://www.lanumedispa.ie/uploaded_files/userfiles/files/pokemon-go-free-coins-promo-code_GM1094591345.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_off000033a9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x33A9	23028 bytes
SHA-256: `1ffbb28e75c00119fae24487b832a683334d935f4c19296f2fbfbf5d77e9444b`
`font_01_sfnt_off0000668d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x668D	18824 bytes
SHA-256: `649b5a0ddede2b51154da622fcab06447a9c1e64ff70e5448ec25c26e72aa507`

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