PDF malware analysis — malicious · 7320b8602115650a

MALICIOUS

PDF

35.8 KB Created: 2021-07-06 07:19:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 5728d0efac2b295b11a39dcaae45d613 SHA-1: 12d838d94498b3763eb675cfe093fa7f7d1d4470 SHA-256: 7320b8602115650aeb83e0f74e1d86fcc883a88eb4c82ab0e4635505cde2b630

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/coin-master-hack-2021-download-game-hack PDF link annotation
- http://elearningmi.mibustanululumtulungagung.com/__statics/gudangsoal/files/free-coins-and-spins_GM406889139.pdfIn PDF document text
- http://elearningmi.mibustanululumtulungagung.com/__statics/gudangsoal/files/free-robux-just-click_GM431946152.pdfIn PDF document text
- http://elearningmi.mibustanululumtulungagung.com/__statics/gudangsoal/files/free-robux-raw-paste-data_GM431946152.pdfIn PDF document text
- http://elearningmi.mibustanululumtulungagung.com/__statics/gudangsoal/files/free-robux-codes-generator-no-verification_GM431946152.pdfIn PDF document text
- http://elearningmi.mibustanululumtulungagung.com/__statics/gudangsoal/files/how-to-download-minecraft-for-free-on-mac_GM479516143.pdfIn PDF document text
- http://elearningmi.mibustanululumtulungagung.com/__statics/gudangsoal/files/coinmaster-com_GM406889139.pdfIn PDF document text
- http://elearningmi.mibustanululumtulungagung.com/__statics/gudangsoal/files/coin-master-100-spin_GM406889139.pdfIn PDF document text
- http://elearningmi.mibustanululumtulungagung.com/__statics/gudangsoal/files/free-promo-codes-for-roblox-2021_GM431946152.pdfIn PDF document text
- http://elearningmi.mibustanululumtulungagung.com/__statics/gudangsoal/files/roblox-noclip-in-cheat-engine-2021_GM431946152.pdfIn PDF document text
- http://elearningmi.mibustanululumtulungagung.com/__statics/gudangsoal/files/free-robux-without-survey_GM431946152.pdfIn PDF document text
- http://elearningmi.mibustanululumtulungagung.com/__statics/gudangsoal/files/how-to-find-free-stuff-on-roblox_GM431946152.pdfIn PDF document text
- http://elearningmi.mibustanululumtulungagung.com/__statics/gudangsoal/files/daily-coin-master-free-spin-apk_GM406889139.pdfIn PDF document text
- http://elearningmi.mibustanululumtulungagung.com/__statics/gudangsoal/files/coin-master-free-spin-and-trading-group_GM406889139.pdfIn PDF document text
- http://elearningmi.mibustanululumtulungagung.com/__statics/gudangsoal/files/free-codes-for-heavon-or-hell-roblox_GM431946152.pdfIn PDF document text
- http://elearningmi.mibustanululumtulungagung.com/__statics/gudangsoal/files/free-draw-2-roblox_GM431946152.pdfIn PDF document text
- http://elearningmi.mibustanululumtulungagung.com/__statics/gudangsoal/files/free-coin-master-cards-link_GM406889139.pdfIn PDF document text
- http://elearningmi.mibustanululumtulungagung.com/__statics/gudangsoal/files/coin-master-hack-mod-apk-unlimited-spins_GM406889139.pdfIn PDF document text
- http://elearningmi.mibustanululumtulungagung.com/__statics/gudangsoal/files/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
- http://elearningmi.mibustanululumtulungagung.com/__statics/gudangsoal/files/free-roblox-accounts_GM431946152.pdfIn PDF document text
- http://elearningmi.mibustanululumtulungagung.com/__statics/gudangsoal/files/100-hack-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_off00003326.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3326	23028 bytes
SHA-256: `e75420a60ff518083ce5db081d8e577030e2c411470b545aa7c6319bac872152`
`font_01_sfnt_off000066fc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x66FC	18988 bytes
SHA-256: `af951b1633a2787412a9a702c9754db5e3271a3175a3f5193121ef3c3d99dea6`

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