PDF malware analysis — malicious · a4468287e8f201a0

MALICIOUS

PDF

41.1 KB Created: 2021-05-15 02:22:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24

MD5: a2f471fc9663556f426a2236d0e6dcf3 SHA-1: bc05f5093c7bcc9139b5dca60f49be113276955f SHA-256: a4468287e8f201a05506786c40e24ba3a38be3d2c85b746f144629d431bf7ccb

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 0.9971

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 https://netcdn.xyz/app/406889139/can-you-hack-coin-master-game-hack PDF link annotation
- https://jdlgroup.ca/images/daily-coin-master-free_GM406889139.pdfIn PDF document text
- https://jdlgroup.ca/images/i-need-more-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://jdlgroup.ca/images/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
- https://jdlgroup.ca/images/free-robux-no-human-verify_GM431946152.pdfIn PDF document text
- https://jdlgroup.ca/images/coin-master-hack-coins_GM406889139.pdfIn PDF document text
- https://jdlgroup.ca/images/free-robux-codes-2021-real_GM431946152.pdfIn PDF document text
- https://jdlgroup.ca/images/free-robux-quiz_GM431946152.pdfIn PDF document text
- https://jdlgroup.ca/images/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
- https://jdlgroup.ca/images/todays-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
- https://jdlgroup.ca/images/coin-master-link-for-spins_GM406889139.pdfIn PDF document text
- https://jdlgroup.ca/images/free-coins--spins-coin-master_GM406889139.pdfIn PDF document text
- https://jdlgroup.ca/images/how-to-hack-a-roblox-account-2021_GM431946152.pdfIn PDF document text
- https://jdlgroup.ca/images/free-robux-download_GM431946152.pdfIn PDF document text
- https://jdlgroup.ca/images/free-coin-spin-coin-master_GM406889139.pdfIn PDF document text
- https://jdlgroup.ca/images/www-cheatsk-com-coin-master-hack_GM406889139.pdfIn PDF document text
- https://jdlgroup.ca/images/coin-master-free-coins--spins_GM406889139.pdfIn PDF document text
- https://jdlgroup.ca/images/earn-free-robux_GM431946152.pdfIn PDF document text
- https://jdlgroup.ca/images/free-robux-giveaway-live_GM431946152.pdfIn PDF document text
- https://jdlgroup.ca/images/free-robux-without-verification-or-survey_GM431946152.pdfIn PDF document text
- https://jdlgroup.ca/images/no-human-verification-hack-for-coin-master_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_003_off0000486c.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x486C	24040 bytes
SHA-256: `48c7a262c09cdc421c1bf2d477e1af501012df1858e2083ce441907fe5bfc3c5`
`font_01_sfnt_off00007f12.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F12	18020 bytes
SHA-256: `2a833d42ea66e9b84acb7b91147defd58d864c1bb9bc3ae4b7d787d82e58cd2a`

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