PDF malware analysis — malicious · a68a9c9660acbeef

MALICIOUS

PDF

42.7 KB Created: 2021-05-12 20:11:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24

MD5: a1e8993b62bc75535da5f92e135c2ae7 SHA-1: 631631cee04366c86172fe4aeb997df8241e7354 SHA-256: a68a9c9660acbeefa2f1a9f89e7aa08f775495d8dc2c40ac730081a9a7038964

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/hacks-for-coin-master-game-hack PDF link annotation
- http://www.lacarla.dk/images/how-to-play-minecraft-online-for-free_GM479516143.pdfIn PDF document text
- http://www.lacarla.dk/images/best-minecraft-hacked-client-2021_GM479516143.pdfIn PDF document text
- http://www.lacarla.dk/images/coin-master-free-spins-link-whatsapp-group_GM406889139.pdfIn PDF document text
- http://www.lacarla.dk/images/free-roblox-accounts_GM431946152.pdfIn PDF document text
- http://www.lacarla.dk/images/coin-master-hack-ios-no-verification_GM406889139.pdfIn PDF document text
- http://www.lacarla.dk/images/how-to-get-free-roblox_GM431946152.pdfIn PDF document text
- http://www.lacarla.dk/images/hack-coin-master-apk-33_GM406889139.pdfIn PDF document text
- http://www.lacarla.dk/images/link-for-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
- http://www.lacarla.dk/images/rbx-roblox-robux_GM431946152.pdfIn PDF document text
- http://www.lacarla.dk/images/coin-master-free-spins-2021-generator_GM406889139.pdfIn PDF document text
- http://www.lacarla.dk/images/coin-master-hacks-iphone_GM406889139.pdfIn PDF document text
- http://www.lacarla.dk/images/oprewards-login_GM431946152.pdfIn PDF document text
- http://www.lacarla.dk/images/robloxheroxyz-free-robux_GM431946152.pdfIn PDF document text
- http://www.lacarla.dk/images/free-games-coin-master_GM406889139.pdfIn PDF document text
- http://www.lacarla.dk/images/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- http://www.lacarla.dk/images/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- http://www.lacarla.dk/images/get-roblox-for-free_GM431946152.pdfIn PDF document text
- http://www.lacarla.dk/images/free-spins-coin-master-links-blogspot_GM406889139.pdfIn PDF document text
- http://www.lacarla.dk/images/free-robux-no-download_GM431946152.pdfIn PDF document text
- http://www.lacarla.dk/images/free-robux-codes-not-used_GM431946152.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_off00004a44.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A44	26216 bytes
SHA-256: `b44150409fdc78baa08b397dd80b55ca0652d2f270971a6a4211352071990266`
`font_01_sfnt_off000085e2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x85E2	17880 bytes
SHA-256: `aa3394458939619806496cbc198b043db21b7abc6a7e758b364f4c9fc0519879`

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