PDF malware analysis — malicious · d81704ccd7534904

MALICIOUS

PDF

42.2 KB Created: 2021-05-17 05:03:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 2ee92f9228f3eac120b25bc61a1f0b19 SHA-1: d39a590ca29fa539f93b19cdfee18ee7fcb798b4 SHA-256: d81704ccd7534904088c4660589e2c00ab2adf7de1c6544e19cb14fba0ee77ff

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 0.9971

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 https://netcdn.xyz/app/431946152/robux-free-co-game-hack PDF link annotation
- https://elearning.misalifadah.com/__statics/gudangsoal/files/lots-of-robux_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/free-spin-link-coin-master-today_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/como-descargar-coin-master-hackeado_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/minecraft-cheats-pc-2021_GM479516143.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/free-coin-master-game_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/coin-master-free-spin-link-app_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/coin-master-cheats-2021_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/how-to-get-minecraft-for-free-on-nintendo-switch_GM479516143.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/roblox-robux_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/minecraft-apk-download-free-11-055_GM479516143.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/how-to-earn-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/free-minecraft-java-code_GM479516143.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/tower-of-hell-roblox-hack_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/hack-free-spin-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/working-coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/roblox-online-free-no-download_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/hack-coin-master-apk-358_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/free-spins-coin-master-2021_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_003_off000048b0.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x48B0	25960 bytes
SHA-256: `3addf752ca07d4eca2b4901ee4eef874170b10453ecf6bed33605f82b16234b0`
`font_01_sfnt_off00008383.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8383	18012 bytes
SHA-256: `3f1ded8a9c51e4f0f41c660fd84d3573ebe8f92a83837bcaa523a9614d650e73`

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