PDF malware analysis — malicious · 5ae9b774c2da63d3

MALICIOUS

PDF

33.8 KB Created: 2021-07-04 02:10:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 97762397bdf46a095a8cf85777eafff6 SHA-1: 74f74462d77e0733ac7548fdf094b9fda1961776 SHA-256: 5ae9b774c2da63d3bb59daa91be59547a9f2f782a882e4e0f36db23faca30b25

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/406889139/cheat-codes-for-coin-master-game-hack PDF link annotation
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/free-cattlog-roblox_GM431946152.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/roblox-sex-hack_GM431946152.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/coin-master-hack-apk-35-11_GM406889139.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/roblox-semi-transparent-pants-free_GM431946152.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/roblox-jailbreak-hack-download_GM431946152.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/how-can-i-get-free-robux_GM431946152.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/coin-master-free-spins--coins-2021_GM406889139.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/minecraft-free-version_GM479516143.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/hackear-robux_GM431946152.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/how-to-hack-roblox-crimnal-vs-swat_GM431946152.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/free-promo-codes-for-coin-master_GM406889139.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/minecraft-client_GM479516143.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/coin-master-free-spins-hack_GM406889139.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/free-shields-coin-master_GM406889139.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/coin-master-village-4_GM406889139.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/roblox-lovenet_GM431946152.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/free-online-generator-for-coin-master_GM406889139.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/roblox-hack-apk-download-2021_GM431946152.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/how-to-get-roblox-items-for-free-2021_GM431946152.pdfIn PDF document text
- https://pdiperjuanganbali.id/new/public/ckfinder/userfiles/files/coin-master-time-hack-2021_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
`stream_002_off00003067.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3067	22108 bytes
SHA-256: `769b1cee2e590f2d60fdfa81f525d5dd447e1ec0e3c553b361f49d046091895b`
`font_01_sfnt_off00006181.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6181	18336 bytes
SHA-256: `46a5dce1bcd15fef46771321b75302700fdbe642ab852c79c7094750b70fcfec`

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