PDF malware analysis — malicious · af51f169c0bb2d44

MALICIOUS

PDF

33.7 KB Created: 2021-07-06 18:56:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 4439b185c8dc87ef3e89e868342c9ec9 SHA-1: d4f0b45a330c1dc274445dd9c02616baf655b896 SHA-256: af51f169c0bb2d441c79f93ce3283236e428ce610adc8528d9429ad7a06e4f29

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 0.9984

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/are-robux-generators-safe-game-hack PDF link annotation
- http://nationshield.ae/userfiles/files/coin-master-pc-hack-download_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/blox-land-free-robux_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/what-games-on-roblox-give-you-free-robux_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/www-claim-gg-to-earn-free-robux_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/bloxland-earn-free-robux_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-20-free-spins-link-today_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/roblox-free-followers_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/minecraft-iphone-free_GM479516143.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/hack-coin-master-online-without-human-verification_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/minecraft-book-collection_GM479516143.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-hack-without-human-verification-2021_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/how-do-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/how-to-use-redstone_GM479516143.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/roblox-robux_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-ios-hack_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/how-to-get-free-robux-on-roblox-zephplayz_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/100-free-spins-for-coin-master_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
`font_00_sfnt_off00002dc5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2DC5	22296 bytes
SHA-256: `dcc9883dabfa396225fc7b4eb6f35b7124a019579749c0d43a960f27950be5d4`
`font_01_sfnt_off00005f72.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F72	18656 bytes
SHA-256: `44d4c5718391e267a61be3530d82c609f30448355182e8980163eb74e05e0b0e`

Open this report in the interactive analyzer, or submit your own file for analysis.