PDF malware analysis — malicious · ddd485fb56eca102

MALICIOUS

PDF

34.7 KB Created: 2021-07-04 08:41:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: d44405507377eb3f6c4f4eadb87c5aca SHA-1: 960d11958664605db9c121987081944fb4348bbe SHA-256: ddd485fb56eca1024f1ef7d74fdbc486c50440d92783a4b4e902a6269d0cee80

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure for free game currency or hacks, directing users to a malicious URL. The ML classifier strongly flagged this PDF as malicious, and the embedded URL is associated with a game hack redirect. While no scripts were extracted, the document's structure and content indicate a phishing or scam attempt designed to lead the user to a potentially harmful site.

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/is-there-a-way-to-get-free-robux-game-hack PDF link annotation
- https://klp.com.tr/inc/uploads/userfiles/files/infinity-roblox-hack_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/robux-hack-in-1-minute_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/coin-master-free-spin-link-today-16-11-2021_GM406889139.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/infinite-jump-roblox-free-download_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/free-roblox-accounts-with-robux_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/hacks-minecraft_GM479516143.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/how-to-become-admin-on-roblox-with-cheat-engine_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/roblox-imagine_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/how-to-get-free-robux-on-a-lg-phone_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/games-like-coin-master_GM406889139.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/coin-master-for-pc-free-download_GM406889139.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/coin-master-coins-free_GM406889139.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/get-2021-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/fishing-simulator-hack-roblox_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/win-2021-free-robux_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/coin-master-free-coins-no-human-verification_GM406889139.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/robux-redeem-code-hack_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/roblox-hacks-board_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_off000030c6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x30C6	22116 bytes
SHA-256: `1926c0e58fed37997987e8987eadd769f665bc6fb0bfabe89ea1468968563f6e`
`font_01_sfnt_off000061b5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x61B5	19364 bytes
SHA-256: `ab7ba1a3ae240e4ee08c4c4f60ea65632c07d764c3c2f84f8903e8b00cabe730`

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