PDF malware analysis — malicious · 9cad73a4ac34d34b

MALICIOUS

PDF

35.2 KB Created: 2021-06-26 04:55:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: ab9c3c899e56609ff6c6cbcbcd13c654 SHA-1: 143044960118ec47b854bf744198cf461dda350e SHA-256: 9cad73a4ac34d34bab9a04ef76cab86a27fff864e59b4ce9201a613d6b5a5f28

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/431946152/roblox-jailbreak-money-cheat-game-hack PDF link annotation
- http://elearningman2jember.com/__statics/gudangsoal/files/coin-master-pc-hack-download_GM406889139.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/google-how-do-you-get-robux_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/how-to-hack-games-on-roblox-2021_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/hack-master-coin-pc_GM406889139.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/free-robux-by-just-joining-game_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/cb-ro-roblox-hack_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/pokemon-go-free-stuff-codes_GM1094591345.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/minecraft-for-ipad-free_GM479516143.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/can-lucky-patcher-hack-coin-master_GM406889139.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/tiktok-free-skin-ml_GM835599320.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/robux-without-verification_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/free-roblox-followers_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/generator-robux_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/how-to-get-free-robux-for-free_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/free-robux-com-real_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/coin-master-free-spins-link-download-for-iphone_GM406889139.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/roblox-retail-tycoon-hack_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/roblox-exploit-download_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/pokemon-go-free-qr-codes-2021_GM1094591345.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/free-robux-generator-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_off00003069.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3069	22624 bytes
SHA-256: `8c832f8ce7ca4339c0b9fe7f8cfe941271a69fb583b657b4da21660d21f67beb`
`font_01_sfnt_off0000632b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x632B	19588 bytes
SHA-256: `21f54295c437c6ce5515ddd61bb8d0e3ab78243a44aad9e86bfd719270a1e203`

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