PDF malware analysis — malicious · a0acde71f4b4c2cb

MALICIOUS

PDF

34.3 KB Created: 2021-06-27 17:53:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: fb42fcf3d66033a2e5c821449fe4ad44 SHA-1: 6c6447225f64fa39a92fdd06339b59594b4fe651 SHA-256: a0acde71f4b4c2cba79f7b54628b5e86780f0fb7512e6b8d85a0dbf012435374

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-hack-the-swat-clothes-in-roblox-game-hack PDF link annotation
- https://mawaridschools.com/uploaded_files/userfiles/files/howto-get-free-robux-without-survey-and-verification_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/roblox-comroblox_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/free-minecraft-pe-server_GM479516143.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/how-do-you-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/coin-master-hack-mod-apk-2021-download_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/coin-master-coins-free_GM406889139.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/free-roblox-dev-to-hire_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/latest-free-spin-coin-master-daily_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/free-robux-app-real_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/coin-master-free-coins-and-spins-online-tool_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/roblox-robux-hack-february-2021_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/pokemon-go-free-account-2021_GM1094591345.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/tiktok-for-free_GM835599320.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/coin-master-hack-tool-without-verification_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/zeluc-roblox-exploit-hacks_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/roblox-army-free-robux_GM431946152.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/coin-master-hack-spins-free_GM406889139.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/paytm-to-pubg-uc_GM1330123889.pdfIn PDF document text
- https://mawaridschools.com/uploaded_files/userfiles/files/robuxian-robux-hack-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_off00002ee0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2EE0	22432 bytes
SHA-256: `02c356de9210dee287494d2f75ad9e879f3daee7060240e17c82390ce414a56f`
`font_01_sfnt_off000060f2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x60F2	19088 bytes
SHA-256: `93062d1631c76ad27d2be9824b51125b5ceb657e7baa3adff11b7ba45e0512b6`

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