PDF malware analysis — malicious · c11fe6c8d9f79818

MALICIOUS

PDF

34.2 KB Created: 2021-06-18 21:58:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 054972059e6b23b7f6a3283558502cb6 SHA-1: 54c0bf3fac4eaacada4e60b804d8427ab5ec7460 SHA-256: c11fe6c8d9f798188508be83de09307b9a9cd24b5826143e6c4f4088b8b3a6a5

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/how-to-get-free-rthro-in-roblox-game-hack PDF link annotation
- https://amozeshportal.ir/assets/uploads/pages/files/minecraft-pe-free-ios_GM479516143.pdfIn PDF document text
- https://amozeshportal.ir/assets/uploads/pages/files/free-minecraft-codes-2021_GM479516143.pdfIn PDF document text
- https://amozeshportal.ir/assets/uploads/pages/files/coin-master-hack-android-2021_GM406889139.pdfIn PDF document text
- https://amozeshportal.ir/assets/uploads/pages/files/roblox-hack-init-roblox-hack-addrobux-20212021000_GM431946152.pdfIn PDF document text
- https://amozeshportal.ir/assets/uploads/pages/files/how-to-get-the-army-helicopter-in-jailbreak-roblox-hack_GM431946152.pdfIn PDF document text
- https://amozeshportal.ir/assets/uploads/pages/files/coinmaster-com_GM406889139.pdfIn PDF document text
- https://amozeshportal.ir/assets/uploads/pages/files/free-minecraft-skins_GM479516143.pdfIn PDF document text
- https://amozeshportal.ir/assets/uploads/pages/files/free-roblox-shirt-templates-2021_GM431946152.pdfIn PDF document text
- https://amozeshportal.ir/assets/uploads/pages/files/how-to-buy-robux-for-free_GM431946152.pdfIn PDF document text
- https://amozeshportal.ir/assets/uploads/pages/files/free-coin-master-spins-hack_GM406889139.pdfIn PDF document text
- https://amozeshportal.ir/assets/uploads/pages/files/free-robux-no-hsck_GM431946152.pdfIn PDF document text
- https://amozeshportal.ir/assets/uploads/pages/files/free-roblox-card-codes-2021-no-survey_GM431946152.pdfIn PDF document text
- https://amozeshportal.ir/assets/uploads/pages/files/free-mod-apk-coin-master_GM406889139.pdfIn PDF document text
- https://amozeshportal.ir/assets/uploads/pages/files/free-robux-websites-that-work_GM431946152.pdfIn PDF document text
- https://amozeshportal.ir/assets/uploads/pages/files/free-coin-master-spins-2021-link_GM406889139.pdfIn PDF document text
- https://amozeshportal.ir/assets/uploads/pages/files/coin-master-free-spin-2912-2021_GM406889139.pdfIn PDF document text
- https://amozeshportal.ir/assets/uploads/pages/files/hackear-juego-coin-master_GM406889139.pdfIn PDF document text
- https://amozeshportal.ir/assets/uploads/pages/files/monttechscom-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://amozeshportal.ir/assets/uploads/pages/files/hack-tiktok-fans-free_GM835599320.pdfIn PDF document text
- https://amozeshportal.ir/assets/uploads/pages/files/how-to-hack-roblox-to-get-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
`stream_002_off00002f75.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2F75	22088 bytes
SHA-256: `b924e6d55579e720ceeaeb77bf02be67b945ad1513a4b722d44efca3fa62bf27`
`font_01_sfnt_off00006065.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6065	19084 bytes
SHA-256: `8b92b5017a00db73180649bc1f1ac125ad9916d5e760a7c843df20a6cacc4cff`

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