PDF malware analysis — malicious · e0804bdb427422b9

MALICIOUS

PDF

42.2 KB Created: 2021-05-11 16:51:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 5d01c821a025840a8db9f7337c8a90ba SHA-1: 1eca6666eecdd0b20cc68af475771631507cc68c SHA-256: e0804bdb427422b9486ecc08cd641dded2399e78937338c2daa6fd0487822fc6

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/479516143/minecraft-java-hacks-game-hack PDF link annotation
- https://7gking.tw/upload/files/robux-gainer_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/can-i-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
- https://7gking.tw/upload/files/80-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/how-to-get-free-robux-without-verifying_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/roblox-system_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/coin-master-free-spins-link-today-blogspot_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/robux-fun-hack_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/coin-master-free-chip_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/coin-master-hack-spin-generator-tool_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/roblox-devil_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/how-many-levels-are-in-coin-master_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/free-robux-no-generator_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/minecraft-free-online-unblocked_GM479516143.pdfIn PDF document text
- https://7gking.tw/upload/files/ways-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/free-robux-games-that-actually-work-2021_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/coin-master-game-hacking_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/coin-master-claim-free-spins_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_off000047b4.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x47B4	25788 bytes
SHA-256: `2b08439cb3aedbcf01111b7c1d1fc241ea88337a07581ad7d0ebd485afe7f482`
`font_01_sfnt_off0000837d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x837D	18020 bytes
SHA-256: `2aa5f75731ce228eb108c5d7ba78fcf9c19ee4c9e640e1738d5748e499ff9746`

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