PDF malware analysis — malicious · 62e5b5b47d435ad5

MALICIOUS

PDF

48.6 KB Created: 2021-06-10 23:55:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 1d0bb8596144674a9517b5a7611ecc60 SHA-1: 38f2540caa460f25b09163120e86ae07223ea431 SHA-256: 62e5b5b47d435ad59cd38a163d2d6aa07839982689607a5e2fdadf0fc1211eea

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 0.9796

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.tw/app/431946152/boku-no-roblox-legendary-hack-game-hack PDF link annotation
- https://ozkara.be/wp-content/uploads/fsqm-files/how-to-play-roblox-on-phone-for-free_GM431946152.pdfIn PDF document text
- https://ozkara.be/wp-content/uploads/fsqm-files/como-tener-robux-gratis-sin-hacks-facil-y-rapido-2021_GM431946152.pdfIn PDF document text
- https://ozkara.be/wp-content/uploads/fsqm-files/roblox-robux-hack-february-2021_GM431946152.pdfIn PDF document text
- https://ozkara.be/wp-content/uploads/fsqm-files/roblox-free-executor-2021_GM431946152.pdfIn PDF document text
- https://ozkara.be/wp-content/uploads/fsqm-files/roblox-denisdaily-shirt-free_GM431946152.pdfIn PDF document text
- https://ozkara.be/wp-content/uploads/fsqm-files/glitch-hack-roblox_GM431946152.pdfIn PDF document text
- https://ozkara.be/wp-content/uploads/fsqm-files/roblox-avatar-clothes-free_GM431946152.pdfIn PDF document text
- https://ozkara.be/wp-content/uploads/fsqm-files/how-to-hack-roblox-ac-counts_GM431946152.pdfIn PDF document text
- https://ozkara.be/wp-content/uploads/fsqm-files/roblox-player-free-download-for-pc_GM431946152.pdfIn PDF document text
- https://ozkara.be/wp-content/uploads/fsqm-files/how-to-make-a-roblox-scam-website-free_GM431946152.pdfIn PDF document text
- https://ozkara.be/wp-content/uploads/fsqm-files/free-roblox-c4d-lightroom_GM431946152.pdfIn PDF document text
- https://ozkara.be/wp-content/uploads/fsqm-files/the-conquerors-3-roblox-hack_GM431946152.pdfIn PDF document text
- https://ozkara.be/wp-content/uploads/fsqm-files/how-to-get-free-roblox-on-xbox-one_GM431946152.pdfIn PDF document text
- https://ozkara.be/wp-content/uploads/fsqm-files/hacks-for-british-army-roblox_GM431946152.pdfIn PDF document text
- https://ozkara.be/wp-content/uploads/fsqm-files/how-to-get-paid-roblox-games-for-free_GM431946152.pdfIn PDF document text
- https://ozkara.be/wp-content/uploads/fsqm-files/free-robux-without-robot-verification_GM431946152.pdfIn PDF document text
- https://ozkara.be/wp-content/uploads/fsqm-files/how-to-earn-free-robux_GM431946152.pdfIn PDF document text
- https://ozkara.be/wp-content/uploads/fsqm-files/cheat-roblox-lumber-tyccon-fly_GM431946152.pdfIn PDF document text
- https://ozkara.be/wp-content/uploads/fsqm-files/how-to-get-robux-2021-hack_GM431946152.pdfIn PDF document text
- https://ozkara.be/wp-content/uploads/fsqm-files/roblox-any-game-hack-script_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off000052d1.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x52D1	26920 bytes
SHA-256: `8b80d66fb1a5fdcb2391323fc033aa9a8054343172a52e62878119cacefa374b`
`font_01_sfnt_off00008f35.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F35	2880 bytes
SHA-256: `10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132`
`font_02_sfnt_off00009920.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9920	18964 bytes
SHA-256: `9003c4b02c194fff97b384f347654ad5d4e6a750a44977f1d0e0bc1a2db44fbb`

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