PDF malware analysis — malicious · 08a37e2505ee5036

MALICIOUS

PDF

35.2 KB Created: 2021-07-06 01:53:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: dba1f229d480cf335766db68267401a6 SHA-1: 10a622f9edb38333cb2e72e37d5d4bbf29b4f752 SHA-256: 08a37e2505ee50360f3a44aa59aa68a51b6c82726717403fd18e8c3128aae1d6

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.tw/app/431946152/roblox-play-now-for-free-game-hack PDF link annotation
- https://www.mahabircreation.com/uploaded_files/userfiles/files/minecraft-tower-defense-2-hacked_GM479516143.pdfIn PDF document text
- https://www.mahabircreation.com/uploaded_files/userfiles/files/coin-master-online-hack-2021_GM406889139.pdfIn PDF document text
- https://www.mahabircreation.com/uploaded_files/userfiles/files/coin-master-apk-free-download_GM406889139.pdfIn PDF document text
- https://www.mahabircreation.com/uploaded_files/userfiles/files/free-robux-promo-codes-2021_GM431946152.pdfIn PDF document text
- https://www.mahabircreation.com/uploaded_files/userfiles/files/windows-10-minecraft-free-with-java_GM479516143.pdfIn PDF document text
- https://www.mahabircreation.com/uploaded_files/userfiles/files/free-spin-online-tool-coin-master_GM406889139.pdfIn PDF document text
- https://www.mahabircreation.com/uploaded_files/userfiles/files/haw-to-get-free-dominus-on-roblox-a-weeek-ago_GM431946152.pdfIn PDF document text
- https://www.mahabircreation.com/uploaded_files/userfiles/files/cmaster-club-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.mahabircreation.com/uploaded_files/userfiles/files/how-to-get-your-robux-back-after-being-hacked_GM431946152.pdfIn PDF document text
- https://www.mahabircreation.com/uploaded_files/userfiles/files/how-to-get-free-t-shirts-on-roblox_GM431946152.pdfIn PDF document text
- https://www.mahabircreation.com/uploaded_files/userfiles/files/ways-to-earn-robux_GM431946152.pdfIn PDF document text
- https://www.mahabircreation.com/uploaded_files/userfiles/files/coin-master-app-free-download_GM406889139.pdfIn PDF document text
- https://www.mahabircreation.com/uploaded_files/userfiles/files/how-to-make-money-on-roblox-for-free_GM431946152.pdfIn PDF document text
- https://www.mahabircreation.com/uploaded_files/userfiles/files/coin-master-hack-online-without-human-verification_GM406889139.pdfIn PDF document text
- https://www.mahabircreation.com/uploaded_files/userfiles/files/free-spin-coin-master-link-2021_GM406889139.pdfIn PDF document text
- https://www.mahabircreation.com/uploaded_files/userfiles/files/roblox-hack-to-go-through-walls_GM431946152.pdfIn PDF document text
- https://www.mahabircreation.com/uploaded_files/userfiles/files/how-to-get-free-robux-hack-on-tablet_GM431946152.pdfIn PDF document text
- https://www.mahabircreation.com/uploaded_files/userfiles/files/free-robux-admin-codes-2021_GM431946152.pdfIn PDF document text
- https://www.mahabircreation.com/uploaded_files/userfiles/files/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
- https://www.mahabircreation.com/uploaded_files/userfiles/files/how-to-hack-a-roblox-account-2021_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_off00003183.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3183	22652 bytes
SHA-256: `6cc366ec1801e3bd2c94d434f4f9d19d019e16e8bfa19b7ef6880aae794e26b8`
`font_01_sfnt_off0000644e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x644E	19148 bytes
SHA-256: `686d2062e78f1df2d276c91edbad0d84cda926d52b0f640b8f5b427429c15233`

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