PDF malware analysis — malicious · a5bb47f716b355fe

MALICIOUS

PDF

35.0 KB Created: 2021-07-02 06:50:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: f8d2e0de07bd3425a762dcae4bf272ee SHA-1: ad4abe022601e39f774c150074c923213902ad02 SHA-256: a5bb47f716b355fe1c94b343b2102d1ecfb758f5a726ed83ee8fbcc10796f339

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/admin-hack-roblox-dowload-game-hack PDF link annotation
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/roblox-gift-cards-codes-free_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/coin-master-hack-2021-ios_GM406889139.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/minecraft-free-trial_GM479516143.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-robux-no-verification-required_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/robux-link_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/roblox-ultimate-driving-cheats-2021_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/simple-roblox-hacks_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-roblox-exploits_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/give-free-robux_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/david-games-free-robux_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/where-tiktok-free-views-and-likes_GM835599320.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/como-hackear-juego-coin-master_GM406889139.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/toolbox-apk_GM479516143.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/how-to-get-free-money-in-adopt-me-roblox-2021_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/bloxfun-info-free-robux_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/get-free-hats-on-roblox-2021_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/minecraft-redeem-code-free-2021_GM479516143.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/hack-skin-roblox-free_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-coin-master-hacks_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_off00003169.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3169	22072 bytes
SHA-256: `c694b59973a0a2c1456304892ed20ac75d9623ed75cda54e18dbada9f3a92ad7`
`font_01_sfnt_off00006221.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6221	19540 bytes
SHA-256: `09f6e5f30fa4227983512efa097ccc4eee2855f3be6c0e1b673ec68bb3f385e6`

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