PDF malware analysis — malicious · cad478c55beb7463

MALICIOUS

PDF

46.2 KB Created: 2021-05-17 13:02:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 2893d7aea0189bbe101ad9d02dc75f75 SHA-1: 66e92d6d3531fec76dbbeb77991ca56df7af5593 SHA-256: cad478c55beb7463da36ffcffb57332087772178e72649c613265a9bda73b7e0

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including a prominent one to 'free-robux-link-game-hack', which is flagged as a lure for game hacks. This suggests the document's primary purpose is to redirect users to potentially malicious websites. While no scripts were explicitly extracted, the PDF structure and embedded URLs indicate a social engineering tactic to drive traffic to external resources.

Machine Learning

Nyx PDF Classifier malicious score 0.9278

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/free-robux-link-game-hack PDF link annotation
- http://www.med-aid.vn/ckfinder/userfiles/files/gaming-dunia-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/coin-master-free-coins-link_GM406889139.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/roblox-rape-hack_GM431946152.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/spinuri-gratis-coin-master_GM406889139.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/minecraft-server-free-trial_GM479516143.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/claim-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/robux-hacks-2021_GM431946152.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/coin-master-hack-ios-2021_GM406889139.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/minecraft-packs-free_GM479516143.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/cm-spins_GM406889139.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/wahoogaming-co-free-robux_GM431946152.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/hacked-roblox-accounts-list_GM431946152.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/minecraft-java-edition-redeem-code-free-2021_GM479516143.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/free-spins-for-coin-masters_GM406889139.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/coin-master-free-spins-1-coin-master_GM406889139.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/easy-coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
- http://www.med-aid.vn/ckfinder/userfiles/files/free-robux-picture_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off0000498a.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x498A	27140 bytes
SHA-256: `ced300df69fb9e13a636e141ec8ee6f483d6579137ea7508ee7a66aee4b5c4eb`
`font_01_sfnt_off000088b4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x88B4	2836 bytes
SHA-256: `fd98c8f6e7c2e74bbd5822409159a93ac5c94da083ae4c2eb269d4284375f9e8`
`font_02_sfnt_off0000925a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x925A	18304 bytes
SHA-256: `a4aae99c46e0a0f586669c3aecb8c0d6e5f23962dc49b2f1654f133382ac5317`

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