PDF malware analysis — malicious · cc6ea51e027dc97f

MALICIOUS

PDF

47.6 KB Created: 2021-06-13 16:45:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 608946748a443c73bbd19ff7ced3b6d0 SHA-1: 23d32b80dec934122a8578bd91c351c8bacd1f7d SHA-256: cc6ea51e027dc97fac437149ed12d276e707945b95e5bbc0ddcbbfb2041c9519

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 0.9832

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/roblox-hacked-have-no-pin-code-game-hack PDF link annotation
- https://www.choidy.ch/wp-content/uploads/fsqm-files/hack-roblox-player-betaexe_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/how-to-hack-admin-on-flood-escape-on-roblox_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/how-to-get-free-robux-legit-2021_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/free-robux-giveaway_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/hack-on-ulitimate-driving-roblox_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/free-robux-service_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/hack-roblox-jump_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/no-censor-hack-roblox_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/free-roblox-dominus-admin_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/robux-hacked-generator_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/free-roblox-blox-piece-hacks_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/free-robux-generator-2021-pc_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/free-roblox-followers-generator-2021_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/como-hackear-roblox-para-tener-robux-2021-facil_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/250-robux-free_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/guuudinfo-robux-hack-2021_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/roblox-csgo-free-skins_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/roblox-undertale-game-script-hack_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_004_off000054a3.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x54A3	28724 bytes
SHA-256: `921e0de73d89d861f44effdc29b03fb3f1af42edb377e37d60d86febedc16b8e`
`font_01_sfnt_off00009669.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9669	18744 bytes
SHA-256: `b112e9e3be991f7ed822a104830379c3fcadd7630801f843b21ca0f1128c1b9a`

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