PDF malware analysis — malicious · bdbb6994b37cd49e

MALICIOUS

PDF

33.9 KB Created: 2021-07-03 13:15:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 930e24d8e62329f46ff958e827c123c6 SHA-1: ec0181de93ef09bb826dcf46cbb9e89469f522da SHA-256: bdbb6994b37cd49e98d50200725b3cf01fe3c6ce3e289feff77ae6262746f09a

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/roblox-pics-game-hack PDF link annotation
- https://puslitbangperhutani.com/ckfinder/userfiles/files/coin-master-spins-gratis_GM406889139.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/100-free-coin-master-spins_GM406889139.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/roblox-accounts-for-sale-free_GM431946152.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/mcpe-master-hack-unlimited-coins-latest-version_GM406889139.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/haktuts-2021-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/how-to-download-minecraft-for-free-on-windows_GM479516143.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/get-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/robuxlove-net-free-robux_GM431946152.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/is-minecraft-free-on-nintendo-switch_GM479516143.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/coin-master-fan-hack_GM406889139.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/free-hair-roblox-boy_GM431946152.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/coin-master-online-hack-download_GM406889139.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/minecraft-xbox-360-free_GM479516143.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/impact-minecraft-hack_GM479516143.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/coin-master-hacked-apk-download-for-android_GM406889139.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/hacks-for-roblox-jailbreak_GM431946152.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/how-to-hack-minecraft-pe_GM479516143.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/spin-coin-master-free_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_off0000304e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x304E	21904 bytes
SHA-256: `45b84108b14d81968c7d65be6570b9117d59cd16d00e8e550a9b31cceac66d35`
`font_01_sfnt_off00006074.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6074	18760 bytes
SHA-256: `4b095f4b8887294ffd8970da978281d8a745c5c5e0b2658ea64b9d3d0d40b151`

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