PDF malware analysis — malicious · 5e52a460d8db2418

MALICIOUS

PDF

35.3 KB Created: 2021-06-25 07:07:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: adfa8e95c917ea6d0f971ecbeaa9a5fe SHA-1: 2eb5a72238d0e09cee736bfabf941cab2794865f SHA-256: 5e52a460d8db241849bf901b04bb10978cb633c7db640348e8f8c500eb02fc2c

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/free-plain-yellow-t-shirt-roblox-game-hack PDF link annotation
- https://mawaridschools.com/uploaded_files/userfiles/files/free-robux-for-free_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/how-to-get-free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/coin-master-free-spins-and-coins-daily_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/free-roblox-scripting-videos_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/113-hacked-client_GM479516143.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/i-cant-get-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/coin-master-free-pin_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/coin-master-hack-mod-apk-2021_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/roblub-for-free-on-roblox-100-working-2021_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/coin-master-32-mod-hack-apk-download_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/hack-coin-master-spin-android_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/daily-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/free-roblox-video-cracked_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/how-to-hack-roblox-with-notepad_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/free-chest-coin-master_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/teach-me-to-hack_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/coin-master-hack-app-android_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/coin-master-free-coins-link-2021-today_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/free-robux-com-2021_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_off000031ff.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x31FF	22364 bytes
SHA-256: `0d73b19cf504b35f6054ab25a6fbba39bb975580aacf79757ed78119b7aa5df9`
`font_01_sfnt_off000063af.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63AF	19520 bytes
SHA-256: `dde0b3c166855c0165fe686b701150957cfdbb18acda6f3f29490d339e7a29b9`

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