PDF malware analysis — malicious · 17ab47f4cb207a41

MALICIOUS

PDF

34.1 KB Created: 2021-07-01 22:43:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 7a37d172b803cc1aeea4e07eb3555d1a SHA-1: dfb36b27e418471e92bcf9fcaba0eb96ff5de3d6 SHA-256: 17ab47f4cb207a4140e2b21bfa8f4bd290078a46fb62d68bb43c802d11f7194a

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/giving-away-free-robux-game-hack PDF link annotation
- http://ellobo.com.ua/ckfinder/userfiles/files/pmoney-hack-sur-sunset-city-roblox_GM431946152.pdfIn PDF document text
- http://ellobo.com.ua/ckfinder/userfiles/files/roblox-e-free_GM431946152.pdfIn PDF document text
- http://ellobo.com.ua/ckfinder/userfiles/files/elysian-hack-roblox_GM431946152.pdfIn PDF document text
- http://ellobo.com.ua/ckfinder/userfiles/files/legit-coin-master-hack-october-2021_GM406889139.pdfIn PDF document text
- http://ellobo.com.ua/ckfinder/userfiles/files/free-fallin-roblox-id_GM431946152.pdfIn PDF document text
- http://ellobo.com.ua/ckfinder/userfiles/files/free-roblox-pants-templates_GM431946152.pdfIn PDF document text
- http://ellobo.com.ua/ckfinder/userfiles/files/coin-master-free-spins-and-coins-today-gift-reward_GM406889139.pdfIn PDF document text
- http://ellobo.com.ua/ckfinder/userfiles/files/a-tab-that-can-get-robux-for-free_GM431946152.pdfIn PDF document text
- http://ellobo.com.ua/ckfinder/userfiles/files/www-free-robux-hack-generator-club_GM431946152.pdfIn PDF document text
- http://ellobo.com.ua/ckfinder/userfiles/files/get-coin-master-hack_GM406889139.pdfIn PDF document text
- http://ellobo.com.ua/ckfinder/userfiles/files/roblox-free-play-no-download_GM431946152.pdfIn PDF document text
- http://ellobo.com.ua/ckfinder/userfiles/files/hack-coin-master-spin_GM406889139.pdfIn PDF document text
- http://ellobo.com.ua/ckfinder/userfiles/files/free-spins-coin-master-links_GM406889139.pdfIn PDF document text
- http://ellobo.com.ua/ckfinder/userfiles/files/free-robux-no-survey_GM431946152.pdfIn PDF document text
- http://ellobo.com.ua/ckfinder/userfiles/files/coin-master-hack-version-2021-free-download_GM406889139.pdfIn PDF document text
- http://ellobo.com.ua/ckfinder/userfiles/files/robux-codes-real-free_GM431946152.pdfIn PDF document text
- http://ellobo.com.ua/ckfinder/userfiles/files/official-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://ellobo.com.ua/ckfinder/userfiles/files/minecraft-free-download-pc_GM479516143.pdfIn PDF document text
- http://ellobo.com.ua/ckfinder/userfiles/files/free-robux-generator-2021-without-human-verification_GM431946152.pdfIn PDF document text
- http://ellobo.com.ua/ckfinder/userfiles/files/carte-roblox-free_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_off00002fff.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2FFF	21616 bytes
SHA-256: `4e288b8e4bc14e8fb2ff25922860a88c71ca20ae153a7ae3f6aaed93ec62d6a6`
`font_01_sfnt_off00005f73.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F73	19296 bytes
SHA-256: `c59eb6f72b99c1d9bfcf4deea43d1ad59fe7b87bafdb546882b8146c24c5b605`

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