PDF malware analysis — malicious · df8def972fe935e0

MALICIOUS

PDF

35.1 KB Created: 2021-06-20 03:19:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: a0e7893d751ea6b52a1ec27292862f6e SHA-1: 581e7fcfacf90f9c4ab52f59a31b9339e8eff3f6 SHA-256: df8def972fe935e0b4540572a0e6842fa3cd10ce50a646331fa788bd0fad7171

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/if-everything-was-free-roblox-game-hack PDF link annotation
- https://www.italisaitaly.com/uploaded_files/userfiles/files/minecraft-hack-client-18-9_GM479516143.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/robux-free-gift-card-org-hack_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/coin-master-hack-spins-download_GM406889139.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/how-to-get-free-robux-2021-on-computer_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/roblox-reason-2-die-cheats_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/www-roblox-cheatus-limited-edition_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/minecraft-build-hacks_GM479516143.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/hey-google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/free-coins-coin-master-blog_GM406889139.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/bandit-roblox-free_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/free-robux-nord-vpn_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/como-hackear-coin-master_GM406889139.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/avatar-roblox-game_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/how-to-hack-roblox-accounts-passwords_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/free-robux-real-working_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/free-robux-xbox-1_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/free-robux-no-generator_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/minecraft-hack-mod_GM479516143.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/roblox-glitch-how-to-get-free-clothes_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/free-roebucks_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_off000030f7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x30F7	22336 bytes
SHA-256: `961b3a32bcc00fa9a85fd5e977eea2ed8c7f955cab5471ee88483117c02cd4f7`
`font_01_sfnt_off000062b8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62B8	19532 bytes
SHA-256: `73e27581b762406ea54760f82d4e7f9435477b447ef5e234771f9c463b43690f`

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