PDF malware analysis — malicious · 34ce996ee37150df

MALICIOUS

PDF

35.6 KB Created: 2021-07-04 22:49:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: d1415362f36cf2c6fd21c391b55fff78 SHA-1: 43c40eee5d1dcba747d7657ed98254f969d75a62 SHA-256: 34ce996ee37150df2abcd357f5cd774a51d2158b3271976ddc96a0550f7490cb

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-2021-no-human-verification-game-hack PDF link annotation
- http://www.readandenjoy.ae/userfiles/files/free-model-robux_GM431946152.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/how-to-hack-people-in-roblox_GM431946152.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/como-hacer-hacks-roblox_GM431946152.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/how-to-use-scripts-in-roblox-hack_GM431946152.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/coin-master-spin-cheat_GM406889139.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/free-coins-on-coin-master-2021_GM406889139.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/games-on-roblox-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/free-robux-android_GM431946152.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/how-to-get-roebucks-in-roblox_GM431946152.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/fb-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/orewards-com-free-robux_GM431946152.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/coin-master-unlimited-spin-apk-free-download_GM406889139.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/free-roblox-account-2021_GM431946152.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/download-hacked-games-coin-master_GM406889139.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/is-minecraft-bedrock-free_GM479516143.pdfIn PDF document text
- http://www.readandenjoy.ae/userfiles/files/is-minecraft-vr-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_off0000319d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x319D	22572 bytes
SHA-256: `043e5317819f427e6321a9e8bcd78036a08aa4167dcbf5f489b0e96ac931f16b`
`font_01_sfnt_off00006402.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6402	19736 bytes
SHA-256: `415a8643b263bdb8a5e4ae51f1e0119ae52f9187a77a7c28158d674e6dc65c25`

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