PDF malware analysis — malicious · f418ee4101a0c767

MALICIOUS

PDF

34.0 KB Created: 2021-06-19 01:02:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24

MD5: 4142524f281141c69f26ed322cf54722 SHA-1: 360806197eff91c3d4648575a9e2e55b7b4a1c29 SHA-256: f418ee4101a0c7677467201df1c42c6e52ad5e3d044407e0d371f6288734b2e8

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

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/games-like-roblox-but-better-and-free-game-hack PDF link annotation
- http://plastic-surgery.pl/images/roblox-blox-piece-hack-script_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/dowload-free-robux-hack-on-pc-for-free_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/coin-master-free-spins-hack-apk-download_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/minecraft-education-free_GM479516143.pdfIn PDF document text
- http://plastic-surgery.pl/images/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/html-free-robux-30_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/roblox-hide-n-seek-cheats_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/coin-master-free-spins-link_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/roblox-help-free-robux_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/free-inject-roblox-hacks_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/roblox-online-hack-free-robux_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/today-free-spin-coin-master_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/robux-free-without-offers_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/minecraft-hacked-client-18_GM479516143.pdfIn PDF document text
- http://plastic-surgery.pl/images/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/play-coin-master-for-free_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/how-to-get-free-robux-on-roblox-on-tablet_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/legit-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/free-roblox-card_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
`font_00_sfnt_off00002d61.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2D61	22272 bytes
SHA-256: `d4f56bd8df4207f79a7b329c1befb0a2a45049cd5b07663cd9699e54773507f1`
`font_01_sfnt_off00005ea6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5EA6	19432 bytes
SHA-256: `f53caaf6d8d494c7a5818d51fd0889521e903941632be9dfbc8848ea6953c83e`

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