PDF malware analysis — malicious · 69e89d207e836e6e

MALICIOUS

PDF

43.2 KB Created: 2021-05-16 17:25:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: a350443e38cc535778b6bcffa794abc5 SHA-1: 972ead98f82c1d47845ab63460dddfdb72c6b591 SHA-256: 69e89d207e836e6ec9b45079f70ac5a1afbbea18709a6a60b75cc103552819e3

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/earn-robux-com-game-hack PDF link annotation
- https://heimatverein-oberlangen.de/images/robux-gratis_GM431946152.pdfIn PDF document text
- https://heimatverein-oberlangen.de/images/coin-master-cards-hack-2021_GM406889139.pdfIn PDF document text
- https://heimatverein-oberlangen.de/images/roblox-games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- https://heimatverein-oberlangen.de/images/free-spins-coin-master-app_GM406889139.pdfIn PDF document text
- https://heimatverein-oberlangen.de/images/how-to-get-stuff-that-cost-coins-free-mpe-master_GM406889139.pdfIn PDF document text
- https://heimatverein-oberlangen.de/images/minecraft-mod-menu-apk_GM479516143.pdfIn PDF document text
- https://heimatverein-oberlangen.de/images/robux-com-free-robux_GM431946152.pdfIn PDF document text
- https://heimatverein-oberlangen.de/images/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://heimatverein-oberlangen.de/images/spin-coin-master-free_GM406889139.pdfIn PDF document text
- https://heimatverein-oberlangen.de/images/blogger-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://heimatverein-oberlangen.de/images/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
- https://heimatverein-oberlangen.de/images/coin-master-attack-madness-hack_GM406889139.pdfIn PDF document text
- https://heimatverein-oberlangen.de/images/robux-website_GM431946152.pdfIn PDF document text
- https://heimatverein-oberlangen.de/images/coin-master-free-blogspot_GM406889139.pdfIn PDF document text
- https://heimatverein-oberlangen.de/images/avatar-roblox-game_GM431946152.pdfIn PDF document text
- https://heimatverein-oberlangen.de/images/roblox-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- https://heimatverein-oberlangen.de/images/roblox-games-with-free-vip-servers_GM431946152.pdfIn PDF document text
- https://heimatverein-oberlangen.de/images/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
- https://heimatverein-oberlangen.de/images/free-rare-cards-for-coin-master-christmas_GM406889139.pdfIn PDF document text
- https://heimatverein-oberlangen.de/images/free-robux-without-human-verification-real_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_off000048cd.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x48CD	26384 bytes
SHA-256: `14f3c8c6e8a2ad037a7170226ef2c6c2740544e9e8468dea9c68688e4d01a052`
`font_01_sfnt_off0000868e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x868E	18340 bytes
SHA-256: `73022d66eecee4efafff23453c98f7b2dd1a6a21145ea515066a8a3f3a15b160`

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