PDF malware analysis — malicious · d6b3ae2cad6bbad0

MALICIOUS

PDF

34.5 KB Created: 2021-06-27 03:09:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: d1b51ed9e872ff474ffbefc15e9d4bee SHA-1: a9efe27b000bd55f4d38eebb19f479ccededd00d SHA-256: d6b3ae2cad6bbad0bdfd8ee6ea13e98b5f807151f6ce6302696902d5ca23e5ba

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/hacks-for-roblox-mobile-game-hack PDF link annotation
- https://maths-pdf.fr/ckfinder/userfiles/files/coin-master-hack-android-root_GM406889139.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/robux-free-ultimategamer365_GM431946152.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/minecraft-free-download-no-virus_GM479516143.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/coins-master-hack_GM406889139.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/free-coin-master-coins_GM406889139.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/where-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/free-coin-master-spin-app_GM406889139.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/coin-master-hacking-news_GM406889139.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/hey-google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/free-spin-coin-master-game_GM406889139.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/roblox-free-clothes-hack_GM431946152.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/hacke-bubble-gum-simulator-de-roblox_GM431946152.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/coin-master-gifts_GM406889139.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/coin-master-hack-2021-no-human-verification_GM406889139.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/minecraft-xray-hack_GM479516143.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/how-to-hack-coins-in-mcpe-master_GM406889139.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/minecraft-free-app_GM479516143.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/coin-master-free-bonus_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
`font_00_sfnt_off00002f13.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F13	22604 bytes
SHA-256: `4b4063fd6f3dff1b675b9a96289def5a2a1580aaced918ab07cab606b76e61fb`
`font_01_sfnt_off00006193.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6193	19136 bytes
SHA-256: `ff236fb4240f653436c99dd2ffd926c245977040ac7ed90f9d94e0081a2024cc`

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