PDF malware analysis — malicious · 310579fc2940741a

MALICIOUS

PDF

34.6 KB Created: 2021-07-09 14:45:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-22

MD5: cc1b38e890154eb79bca93668f7b64b4 SHA-1: 181d80603cba394b4785b3719efebd116b73b832 SHA-256: 310579fc2940741a695150bfddee6674602e7ed7d1dfee4f94789fe37d1ea644

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/431946152/roblox-assassin-game-hack PDF link annotation
- https://mayastisingkawang.com/__statics/gudangsoal/files/coin-master-hack-mod-apk-free-download_GM406889139.pdfIn PDF document text
- https://mayastisingkawang.com/__statics/gudangsoal/files/daily-coin-master-spins_GM406889139.pdfIn PDF document text
- https://mayastisingkawang.com/__statics/gudangsoal/files/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdfIn PDF document text
- https://mayastisingkawang.com/__statics/gudangsoal/files/youtube-roblox-hack-by-ropanther_GM431946152.pdfIn PDF document text
- https://mayastisingkawang.com/__statics/gudangsoal/files/add-robux_GM431946152.pdfIn PDF document text
- https://mayastisingkawang.com/__statics/gudangsoal/files/how-to-hack-people-in-roblox_GM431946152.pdfIn PDF document text
- https://mayastisingkawang.com/__statics/gudangsoal/files/promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
- https://mayastisingkawang.com/__statics/gudangsoal/files/claimrbx-free-robux_GM431946152.pdfIn PDF document text
- https://mayastisingkawang.com/__statics/gudangsoal/files/coin-master-free-spins-and-coins-blogspot_GM406889139.pdfIn PDF document text
- https://mayastisingkawang.com/__statics/gudangsoal/files/roblox-hack-for-free-robux-without-veirfication-required_GM431946152.pdfIn PDF document text
- https://mayastisingkawang.com/__statics/gudangsoal/files/coin-master-hack-review_GM406889139.pdfIn PDF document text
- https://mayastisingkawang.com/__statics/gudangsoal/files/robux-hack-2021_GM431946152.pdfIn PDF document text
- https://mayastisingkawang.com/__statics/gudangsoal/files/how-to-hack-robux_GM431946152.pdfIn PDF document text
- https://mayastisingkawang.com/__statics/gudangsoal/files/minecraft-free-apk-java-edition_GM479516143.pdfIn PDF document text
- https://mayastisingkawang.com/__statics/gudangsoal/files/roblox-prison-royale-hack_GM431946152.pdfIn PDF document text
- https://mayastisingkawang.com/__statics/gudangsoal/files/minecraft-mods-download-free_GM479516143.pdfIn PDF document text
- https://mayastisingkawang.com/__statics/gudangsoal/files/hackear-coin-master-sin-verificacion_GM406889139.pdfIn PDF document text
- https://mayastisingkawang.com/__statics/gudangsoal/files/lastrick-com-coin-master-hack_GM406889139.pdfIn PDF document text
- https://mayastisingkawang.com/__statics/gudangsoal/files/free-robux-games-that-actually-work_GM431946152.pdfIn PDF document text
- https://mayastisingkawang.com/__statics/gudangsoal/files/how-to-get-free-robux-no-hack-or-download-2021_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_off00003090.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3090	22684 bytes
SHA-256: `6e7bdb52a38f966427a5eb6659a9b54b83941c76a42864e12bbaba0c0ff82c40`
`font_01_sfnt_off00006369.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6369	18608 bytes
SHA-256: `487c57aab2c14b77de6ae94f075bf8bf3a9026a86e5e74f635a4f191a7fd8b96`

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