PDF malware analysis — malicious · 9f6cbd196dbe5938

MALICIOUS

PDF

34.0 KB Created: 2021-07-03 23:56:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 1d7274929b118a4d2b6758564f87bfc5 SHA-1: deedf6cc9fb8de43be08938c8cfe051103419439 SHA-256: 9f6cbd196dbe5938aa91fec0726f7567b20bd91babf96af690f048350ab8f21c

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

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.tw/app/479516143/minecraft-hacked-client-bedrock-game-hack PDF link annotation
- https://www.alldaymedicines.com/uploaded_files/userfiles/files/how-to-get-free-robux-ez-ways_GM431946152.pdfIn PDF document text
- https://www.alldaymedicines.com/uploaded_files/userfiles/files/roblox-code-free-beyblade-burst_GM431946152.pdfIn PDF document text
- https://www.alldaymedicines.com/uploaded_files/userfiles/files/roblox-weird_GM431946152.pdfIn PDF document text
- https://www.alldaymedicines.com/uploaded_files/userfiles/files/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
- https://www.alldaymedicines.com/uploaded_files/userfiles/files/where-can-i-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.alldaymedicines.com/uploaded_files/userfiles/files/robux-now_GM431946152.pdfIn PDF document text
- https://www.alldaymedicines.com/uploaded_files/userfiles/files/roblox-rewards-robux_GM431946152.pdfIn PDF document text
- https://www.alldaymedicines.com/uploaded_files/userfiles/files/coin-master-free-spins-only_GM406889139.pdfIn PDF document text
- https://www.alldaymedicines.com/uploaded_files/userfiles/files/hacks-for-booga-booga-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.alldaymedicines.com/uploaded_files/userfiles/files/how-to-use-speed-hack-on-roblox_GM431946152.pdfIn PDF document text
- https://www.alldaymedicines.com/uploaded_files/userfiles/files/free-roblox-card-pin-code_GM431946152.pdfIn PDF document text
- https://www.alldaymedicines.com/uploaded_files/userfiles/files/how-to-hack-roblox-jailbreak_GM431946152.pdfIn PDF document text
- https://www.alldaymedicines.com/uploaded_files/userfiles/files/roblox-april-fools-hack_GM431946152.pdfIn PDF document text
- https://www.alldaymedicines.com/uploaded_files/userfiles/files/breaking-point-roblox-hacks_GM431946152.pdfIn PDF document text
- https://www.alldaymedicines.com/uploaded_files/userfiles/files/free-minecraft-mods-for-pc_GM479516143.pdfIn PDF document text
- https://www.alldaymedicines.com/uploaded_files/userfiles/files/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
- https://www.alldaymedicines.com/uploaded_files/userfiles/files/free-robux-co_GM431946152.pdfIn PDF document text
- https://www.alldaymedicines.com/uploaded_files/userfiles/files/cute-free-roblox-outfits_GM431946152.pdfIn PDF document text
- https://www.alldaymedicines.com/uploaded_files/userfiles/files/javascript-hack-roblox_GM431946152.pdfIn PDF document text
- https://www.alldaymedicines.com/uploaded_files/userfiles/files/husky-free-robux_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_off00002f26.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F26	22396 bytes
SHA-256: `82eab456a9c45b678e0b2cd3627ea090061173ea9e0ce121a14c86594e9ddc2e`
`font_01_sfnt_off0000611a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x611A	18632 bytes
SHA-256: `ea19cabcc1d2008459171cfa1ac99f4fb07a41c27f77d31ac11aa1b8cd153315`

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