PDF malware analysis — malicious · 018f5f999b833a7c

MALICIOUS

PDF

35.5 KB Created: 2021-07-06 23:20:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 0be65bddfdd1320044bf747bbfa52fd3 SHA-1: e1070291cc2951b2f6d3fe3eaf92f7a2ea0da77b SHA-256: 018f5f999b833a7ccf02e819d9ff87d47d244f3d47ce27d19c090dd8b57ae9ce

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/free-spins-and-coins-on-coin-master-game-hack PDF link annotation
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/free-robux-generator-2021-no-survey_GM431946152.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/coin-master-jackpot-madness-hack_GM406889139.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/cheat-roblox-pass-thought-the-wall_GM431946152.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/free-roblox-robux-generator-get-free-robux_GM431946152.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/inappropriate-roblox-games_GM431946152.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/minecraft-free-version_GM479516143.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/mcpe-master-hack-unlimited-coins_GM406889139.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/coin-master-free-spin-sites_GM406889139.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/roblox-santa-hat-free_GM431946152.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/http-bit-ly-coin-master-hack_GM406889139.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/lazyblocks-com-free-robux-generator_GM431946152.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/is-minecraft-earth-free_GM479516143.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/prison-life-vending-machine-gives-free-robux_GM431946152.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/if-you-join-this-game-you-get-hacked-roblox_GM431946152.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/roblox-arsenal-hack_GM431946152.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/best-minecraft-hacked-client_GM479516143.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/clients-minecraft_GM479516143.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/coin-master-hack-pro_GM406889139.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://learningmts.pondokyajri.com/__statics/gudangsoal/files/free-attacks-coin-master_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
`stream_002_off00003405.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3405	23052 bytes
SHA-256: `f1d0677231d595166b26c7c947d5e7d82c9714cf26cc5e7372b7b01969470bd9`
`font_01_sfnt_off00006801.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6801	18348 bytes
SHA-256: `99aa2d2b2e9c114759ac0d3175951e1a7ccd7b87db14ea3fc4aa40a1608bcbe0`

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