PDF malware analysis — malicious · df02e600678a1803

MALICIOUS

PDF

40.6 KB Created: 2021-05-15 00:56:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 65a01682dd6621898e49e1dbf01af810 SHA-1: aaed280903b91d19393886bf4d1ba91127f63450 SHA-256: df02e600678a1803353bfe82dec4f3e01b17241a020a9c136f9b210b7f912284

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/479516143/free-minecraft-addons-game-hack PDF link annotation
- https://www.alu-as.cz/images/best-free-robux-sites_GM431946152.pdfIn PDF document text
- https://www.alu-as.cz/images/roblox-rewards_GM431946152.pdfIn PDF document text
- https://www.alu-as.cz/images/how-to-get-free-robux-generator_GM431946152.pdfIn PDF document text
- https://www.alu-as.cz/images/minecraft-survival-hacks_GM479516143.pdfIn PDF document text
- https://www.alu-as.cz/images/como-hackear-coin-master-sin-verificacion-humana_GM406889139.pdfIn PDF document text
- https://www.alu-as.cz/images/free-robux-with-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.alu-as.cz/images/how-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.alu-as.cz/images/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.alu-as.cz/images/free-robux-generator_GM431946152.pdfIn PDF document text
- https://www.alu-as.cz/images/free-printable-roblox-coloring-pages_GM431946152.pdfIn PDF document text
- https://www.alu-as.cz/images/getrobux-now_GM431946152.pdfIn PDF document text
- https://www.alu-as.cz/images/roblox-games-free_GM431946152.pdfIn PDF document text
- https://www.alu-as.cz/images/como-hackear-coin-master-ios_GM406889139.pdfIn PDF document text
- https://www.alu-as.cz/images/hack-coin-master-apk-mod_GM406889139.pdfIn PDF document text
- https://www.alu-as.cz/images/coin-master-cheat-codes_GM406889139.pdfIn PDF document text
- https://www.alu-as.cz/images/hacks-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.alu-as.cz/images/coin-master-hack-cheat-engine_GM406889139.pdfIn PDF document text
- https://www.alu-as.cz/images/free-robux-with-no-verification_GM431946152.pdfIn PDF document text
- https://www.alu-as.cz/images/hack-coin-master-343-apk_GM406889139.pdfIn PDF document text
- https://www.alu-as.cz/images/how-to-get-free-roebucks_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_off00004792.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4792	24244 bytes
SHA-256: `4e591da111c6bfbf0be267c21441cd5147868e045f6eb56a6652c9799fdd1fbd`
`font_01_sfnt_off00007d64.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D64	17884 bytes
SHA-256: `2acb4cd1bca1b5a723691e5edbd5eaf48ec188cda9d27986775bd20f5f6dc65a`

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