PDF malware analysis — malicious · af6e88009c756ceb

MALICIOUS

PDF

34.5 KB Created: 2021-06-28 12:16:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: fa00be787ac0a291d434a4eb20b31b26 SHA-1: d34338256cb4e66ee930f0bb9d6a8e2f593f8bd8 SHA-256: af6e88009c756ceb2f63f2a4f2c73ede0511188ff6036bab36f4951a9d76c50c

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-hack-skript-ve-game-hack PDF link annotation
- http://hometech.tw/ckfinder/userfiles/files/roblox-free-robux-password-required_GM431946152.pdfIn PDF document text
- http://hometech.tw/ckfinder/userfiles/files/free-robux-no-survey_GM431946152.pdfIn PDF document text
- http://hometech.tw/ckfinder/userfiles/files/how-to-download-minecraft-for-free-ios_GM479516143.pdfIn PDF document text
- http://hometech.tw/ckfinder/userfiles/files/free-robux-working_GM431946152.pdfIn PDF document text
- http://hometech.tw/ckfinder/userfiles/files/escape-the-free-robux-scams-freecookie20214_GM431946152.pdfIn PDF document text
- http://hometech.tw/ckfinder/userfiles/files/real-robux-generator-2021_GM431946152.pdfIn PDF document text
- http://hometech.tw/ckfinder/userfiles/files/free-robux-apk_GM431946152.pdfIn PDF document text
- http://hometech.tw/ckfinder/userfiles/files/how-can-i-play-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://hometech.tw/ckfinder/userfiles/files/free-foxy-food-coin-master_GM406889139.pdfIn PDF document text
- http://hometech.tw/ckfinder/userfiles/files/hilton-hotels-hack-roblox-vermilion_GM431946152.pdfIn PDF document text
- http://hometech.tw/ckfinder/userfiles/files/how-to-hack-peoples-roblox-accounts-2021_GM431946152.pdfIn PDF document text
- http://hometech.tw/ckfinder/userfiles/files/coin-master-card-hack-app_GM406889139.pdfIn PDF document text
- http://hometech.tw/ckfinder/userfiles/files/coin-master-hack-no-human-verification-2021_GM406889139.pdfIn PDF document text
- http://hometech.tw/ckfinder/userfiles/files/cheat-engine-roblox-windows-8_GM431946152.pdfIn PDF document text
- http://hometech.tw/ckfinder/userfiles/files/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
- http://hometech.tw/ckfinder/userfiles/files/how-to-hack-ppl-on-roblox-2021_GM431946152.pdfIn PDF document text
- http://hometech.tw/ckfinder/userfiles/files/free-items-on-roblox-on-computer_GM431946152.pdfIn PDF document text
- http://hometech.tw/ckfinder/userfiles/files/roblox-giveaway-xyz-online-hack_GM431946152.pdfIn PDF document text
- http://hometech.tw/ckfinder/userfiles/files/free-hockey-mask-roblox_GM431946152.pdfIn PDF document text
- http://hometech.tw/ckfinder/userfiles/files/free-robux-easy_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_off00002f7f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F7F	22304 bytes
SHA-256: `86ceb40c15f52c1e1b745bfb664b59e2b09698f268a4685adc5a9519d775a3b9`
`font_01_sfnt_off00006127.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6127	19192 bytes
SHA-256: `85a6a295cd4cb8412810da6092df1194d4d53cb3228f906f5dc77bf52436d908`

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