PDF malware analysis — malicious · 6b11f320eee16ed0

MALICIOUS

PDF

35.6 KB Created: 2021-07-04 03:03:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 2cc5f4ced454cba393bd634be49a651c SHA-1: dfa34cd2c41a840d624eae9233c70bbeaa7d7e41 SHA-256: 6b11f320eee16ed0a9af21021840fda243b50ec4d83589b94cd4fdbf9819c65c

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/431946152/roblox-com-free-robux-game-hack PDF link annotation
- https://www.badungtourism.com/new/public/ckfinder/userfiles/files/roblox-free-robux-com_GM431946152.pdfIn PDF document text
- https://www.badungtourism.com/new/public/ckfinder/userfiles/files/free-tiktok-bots_GM835599320.pdfIn PDF document text
- https://www.badungtourism.com/new/public/ckfinder/userfiles/files/how-to-make-free-roblox-bloxburg_GM431946152.pdfIn PDF document text
- https://www.badungtourism.com/new/public/ckfinder/userfiles/files/coin-master-free-spins-link-2021-download_GM406889139.pdfIn PDF document text
- https://www.badungtourism.com/new/public/ckfinder/userfiles/files/icebreaker-roblox-hacks_GM431946152.pdfIn PDF document text
- https://www.badungtourism.com/new/public/ckfinder/userfiles/files/coin-master-free-spins-fb-champion_GM406889139.pdfIn PDF document text
- https://www.badungtourism.com/new/public/ckfinder/userfiles/files/how-to-get-free-robux-trading_GM431946152.pdfIn PDF document text
- https://www.badungtourism.com/new/public/ckfinder/userfiles/files/coin-master-daily-free-spins-25_GM406889139.pdfIn PDF document text
- https://www.badungtourism.com/new/public/ckfinder/userfiles/files/free-robux-without-human-verification_GM431946152.pdfIn PDF document text
- https://www.badungtourism.com/new/public/ckfinder/userfiles/files/free-roblox-ccount_GM431946152.pdfIn PDF document text
- https://www.badungtourism.com/new/public/ckfinder/userfiles/files/coin-master-free-spins-and-coins-for-today_GM406889139.pdfIn PDF document text
- https://www.badungtourism.com/new/public/ckfinder/userfiles/files/roblox-free-clothes-hack_GM431946152.pdfIn PDF document text
- https://www.badungtourism.com/new/public/ckfinder/userfiles/files/free-gift-card-roblox-codes_GM431946152.pdfIn PDF document text
- https://www.badungtourism.com/new/public/ckfinder/userfiles/files/2021-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.badungtourism.com/new/public/ckfinder/userfiles/files/coin-master-hack-blog_GM406889139.pdfIn PDF document text
- https://www.badungtourism.com/new/public/ckfinder/userfiles/files/today-on-roblox-we-will-be-hacking-scootch202156_GM431946152.pdfIn PDF document text
- https://www.badungtourism.com/new/public/ckfinder/userfiles/files/how-to-setup-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
- https://www.badungtourism.com/new/public/ckfinder/userfiles/files/claim-free-robux-button_GM431946152.pdfIn PDF document text
- https://www.badungtourism.com/new/public/ckfinder/userfiles/files/free-hair-roblox-boy_GM431946152.pdfIn PDF document text
- https://www.badungtourism.com/new/public/ckfinder/userfiles/files/minecraft-items_GM479516143.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_off000033c2.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x33C2	22576 bytes
SHA-256: `c07cc76d60badc37703aa81b6e4b4167632568af791bb4b61d8fa12af45573b6`
`font_01_sfnt_off00006629.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6629	19052 bytes
SHA-256: `c7437b3e7bd48948350c0c34152667cbccbfce8be2367ca38aabcff84c85cc8a`

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