PDF malware analysis — malicious · 7060417b9403bbef

MALICIOUS

PDF

34.8 KB Created: 2021-07-06 09:40:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 20222d2abbcbf271aa58e6454e599848 SHA-1: df0ee9661203d4a537087636d76d8821abfefb1b SHA-256: 7060417b9403bbef7a62f695172a397f18fad433f23ccd2878905ff2b3f0be8e

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.tw/app/431946152/free-robux-instantly-game-hack PDF link annotation
- http://samarpartners.com/new/public/ckfinder/userfiles/files/roblox-cheat-engine-2021-download_GM431946152.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/coin-master-game-hack-link_GM406889139.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/coin-master-free-attack-hack_GM406889139.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/robux-free-gg_GM431946152.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/universal-minecraft-converter-free_GM479516143.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/free-pet-roblox-grow-a-candy-cane_GM431946152.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/is-there-any-tricks-or-working-hacks-for-coin-master_GM406889139.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/free-rich-account-roblox_GM431946152.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/coin-master-hack-2021_GM406889139.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/free-robux-no-human-verification-no-survey_GM431946152.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/how-to-get-minecraft-for-free-on-chromebook_GM479516143.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/roblox-free-hats-codes_GM431946152.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/online-coin-master-free-spin-app_GM406889139.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/how-to-get-free-spins-on-coin-master-game_GM406889139.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/how-can-you-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/free-robux-watch-add-to-get-robux_GM431946152.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/assasin-roblox-auto-farm-hack_GM431946152.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/farming-simulator-money-cheat-roblox_GM431946152.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/boost9-com-roblox-hack_GM431946152.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/minecraft-coins-free_GM479516143.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_off00003274.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3274	21832 bytes
SHA-256: `f661082cae99e088eb375e0ae0fe46c8af8112206e17ed7a38c116e60b3f4900`
`font_01_sfnt_off000062a9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62A9	19072 bytes
SHA-256: `2ca9d11195de567abf4a703037006073732e9aee935d3c5754ca148439903055`

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