PDF malware analysis — malicious · 30b0e88dd97ab68f

MALICIOUS

PDF

46.4 KB Created: 2021-06-03 07:38:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 377e6ffcc080e0e781cdaf415d0eca04 SHA-1: dc12781876372ea7bb3d1e5222b0080a5347f77b SHA-256: 30b0e88dd97ab68f40f4ee060c36d5a1402c4fc25ac1c7e424ac9597c2944c12

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 0.9832

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 https://netcdn.online/app/431946152/free-robux-no-email-game-hack PDF link annotation
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/roblox-accounts-for-sale-free_GM431946152.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/rbx-sites_GM431946152.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/www-free-robux_GM431946152.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/minecraft-font-free_GM479516143.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/free-spin-coin-master-game_GM406889139.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/free-coin-coin-master_GM406889139.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/coin-master-official-fan-page_GM406889139.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/minecraft-pe-apk-download-free-015-0_GM479516143.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/free-spins-coin-master-2021-hack_GM406889139.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/how-to-get-free-robux-generator_GM431946152.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/my-roblox-avatar_GM431946152.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/make-free-robux_GM431946152.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/clean-master-coins-hack_GM406889139.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/free-robux-redeem-codes_GM431946152.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/coin-master-free-spins-link-today-twitter_GM406889139.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/roblox-redeem-codes-free_GM431946152.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/como-hackear-coin-master-2021-espaol_GM406889139.pdfIn PDF document text
- https://www.waymedicalsupplies.com/uploaded_files/userfiles/files/coin-master-free-coins-and-spins-app_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_off000055ac.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x55AC	26020 bytes
SHA-256: `9dc7bffa18815db8630144f01361018bd595b55142ad424447e1953801fb9e48`
`font_01_sfnt_off000091d3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x91D3	18696 bytes
SHA-256: `c87d8ac99bb6295dbf621d5ce4d48bdb441e63486eed0d538621ad0af406e722`

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