PDF malware analysis — malicious · dca262686827760d

MALICIOUS

PDF

43.7 KB Created: 2021-05-16 10:05:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-22

MD5: a232219c9080810e3250a468b024948f SHA-1: caeae1ace1852a9ad6456e608cab4cc6b965e3cb SHA-256: dca262686827760decbc397016caac2eaada8b0a580fbe00e0ba147e0e04c9c5

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 0.9969

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/431946152/flame-gg-free-robux-game-hack PDF link annotation
- http://www.readandenjoy.ae/userfiles/files/coin-master-reward-link-2021_GM406889139.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/free-old-roblox-accounts_GM431946152.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/how-to-make-a-minecraft-server-for-free-java_GM479516143.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/www-free-robux_GM431946152.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/free-pe_GM479516143.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/free-unlimited-coins-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/roblox-robux-hack-generator_GM431946152.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/free-spins-coin-master-app-ios_GM406889139.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/free-pet-food-coin-master_GM406889139.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/coin-master-free-daily-spins-and-coins_GM406889139.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/free-robux-that-actually-works-2021_GM431946152.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/coin-master-apk-hack_GM406889139.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/coin-master-email-rewards_GM406889139.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/coin-master-hack-xyz_GM406889139.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/no-human-verification-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/weird-roblox_GM431946152.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/coin-master-hack-tool-v1-9-download-free-pc_GM406889139.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/free-spins-coin-master-unlimited_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_off00004b2a.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4B2A	25916 bytes
SHA-256: `33f6a81c670a1ec82a375d3d7af790057c01ff133bcc8bce91b506673409ac62`
`font_01_sfnt_off0000869b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x869B	18864 bytes
SHA-256: `a12d67d537c0c2cb89f37f7f05ea7de5b6c0986bd532439e1b20da8093887b01`

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