PDF malware analysis — malicious · 69f5c3a32436bb2a

MALICIOUS

PDF

33.8 KB Created: 2021-06-19 14:18:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 83ce3379bf0b5517621df5e2dc9d27af SHA-1: 4efed9b3d1de7b5c68518f598a647edc988b8179 SHA-256: 69f5c3a32436bb2a39219ef1bc5e65705551a216fc822707d01f5b534099bd5e

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/how-to-get-free-robux-easy-2021-game-hack PDF link annotation
- https://mawaridschools.com/uploaded_files/userfiles/files/is-there-a-way-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/roblox-hack-apk_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/roblox-moderators_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/cheat-codes-for-coin-master_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/op-rewards-free-robux_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/free-robux-without-offers_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/how-can-i-get-robux_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/free-coin-master-spin-generator_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/free-spins-coin-master-links-blogger_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/free-face-roblox_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/what-pubg-uc-buy_GM1330123889.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/free-spins-coin-master-links-2021_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/free-coin-master-generator_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/free-robux-no-verification-at-all_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/roblox-how-to-hack-a-password_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/free-roblox-toys_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/free-spins-coin-master-2021-glitch_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/free-daily-coin-master-coins_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_off00002f18.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F18	21296 bytes
SHA-256: `0012ced6a677fa63fc152a9b341aa9809ab6a8037c18ff9ea7020be277111ea3`
`font_01_sfnt_off00005d42.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5D42	19568 bytes
SHA-256: `6047aacc591c706ba05485d06cfe5ae263460dd3f24b02a1ffd0afe45eaea607`

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