PDF malware analysis — malicious · cda2b69a17891e4c

MALICIOUS

PDF

33.4 KB Created: 2021-06-19 10:12:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-02

MD5: 3beba3328ba8b8fed6a0fd08f731b0e4 SHA-1: c25e6c646f1026583a406a2656fe119b7676af09 SHA-256: cda2b69a17891e4cf58739922ec392325bbb518d176795cbe89bb9e817bef7cc

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/406889139/coin-master-rewards-game-hack PDF link annotation
- https://new.minsatulearning.com/__statics/gudangsoal/files/coin-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
- https://new.minsatulearning.com/__statics/gudangsoal/files/how-to-hack-roblox-2021_GM431946152.pdfIn PDF document text
- https://new.minsatulearning.com/__statics/gudangsoal/files/coin-master-free-spins-cheat_GM406889139.pdfIn PDF document text
- https://new.minsatulearning.com/__statics/gudangsoal/files/how-to-hack-minecraft-pe_GM479516143.pdfIn PDF document text
- https://new.minsatulearning.com/__statics/gudangsoal/files/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
- https://new.minsatulearning.com/__statics/gudangsoal/files/classic-minecraft-net-hacks_GM479516143.pdfIn PDF document text
- https://new.minsatulearning.com/__statics/gudangsoal/files/free-robux-gift-card_GM431946152.pdfIn PDF document text
- https://new.minsatulearning.com/__statics/gudangsoal/files/roblox-tix-generator_GM431946152.pdfIn PDF document text
- https://new.minsatulearning.com/__statics/gudangsoal/files/coin-master-free-spins-link-download-hack_GM406889139.pdfIn PDF document text
- https://new.minsatulearning.com/__statics/gudangsoal/files/hack-tower-battles-roblox_GM431946152.pdfIn PDF document text
- https://new.minsatulearning.com/__statics/gudangsoal/files/roblox-prison-life-hack_GM431946152.pdfIn PDF document text
- https://new.minsatulearning.com/__statics/gudangsoal/files/earn-robux-today-earn-robux-today_GM431946152.pdfIn PDF document text
- https://new.minsatulearning.com/__statics/gudangsoal/files/free-coins-coin-master-iphone_GM406889139.pdfIn PDF document text
- https://new.minsatulearning.com/__statics/gudangsoal/files/free-spins-coin-master-2021-today_GM406889139.pdfIn PDF document text
- https://new.minsatulearning.com/__statics/gudangsoal/files/how-to-get-free-robux-easy-on-phone_GM431946152.pdfIn PDF document text
- https://new.minsatulearning.com/__statics/gudangsoal/files/how-many-levels-in-coin-master_GM406889139.pdfIn PDF document text
- https://new.minsatulearning.com/__statics/gudangsoal/files/coin-master-generator-free_GM406889139.pdfIn PDF document text
- https://new.minsatulearning.com/__statics/gudangsoal/files/free-robux-websites-2021_GM431946152.pdfIn PDF document text
- https://new.minsatulearning.com/__statics/gudangsoal/files/free-coin-master-spins-and-coins_GM406889139.pdfIn PDF document text
- https://new.minsatulearning.com/__statics/gudangsoal/files/minecraft-hack-download_GM479516143.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_off00002e63.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E63	22212 bytes
SHA-256: `b86d5deff9e79ad3ecf346e1dbd80aed0727b1215f9fc5fea7ade45a1f43437c`
`font_01_sfnt_off00005fc2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5FC2	18172 bytes
SHA-256: `6cab49e6ca20ff1f1469f9296ad06f493139d97774cf5cd9dbace47665b9357a`

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