PDF malware analysis — malicious · 94d4d0a15fe00e9f

MALICIOUS

PDF

33.7 KB Created: 2021-06-18 00:34:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 49086c1958ece873603947f81300b964 SHA-1: d9c9a8fe9bddb3e3dd8f61d846daf52d11dbccbc SHA-256: 94d4d0a15fe00e9fdd4b57c06cb3eb7c8d6c7ac9759a39a739d5789b899bfe2e

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.co/app/431946152/vechlie-simulator-for-free-roblox-game-hack PDF link annotation
- http://nationshield.ae/userfiles/files/my-roblox-account-was-hacked_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-card-hack_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/infinite-robux_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-hack-cydia_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/roblox-report-hacker_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-shields-coin-master_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-free-stuff_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/bux-free-robux_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/codes-how-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-tiktok-comments_GM835599320.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/hack-roblox-with-python_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-roblox-exploit-dll-namedpipe_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-hack-2021-no-human-verification_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/get-viral-on-tiktok-free_GM835599320.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-coin-master-spins_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/static-moonactive_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/roblox-piano-hack_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
`font_00_sfnt_off00002be5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2BE5	22436 bytes
SHA-256: `5c5845678ca9cb7dc6714075dfc11f2a6db5cd3c76ba08d741ef233944044e0c`
`font_01_sfnt_off00005e0c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5E0C	19388 bytes
SHA-256: `99caa331c7ad19f868984902f1869baf08908caabad08c9e7f0bc221de440edc`

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