PDF malware analysis — malicious · e89750d47cf5d35c

MALICIOUS

PDF

33.3 KB Created: 2021-06-26 13:59:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15

MD5: a5a7eb727c226d99b396b5ef268cf4a5 SHA-1: 3712e266c30c1ad23adaf915736a86c0afafda06 SHA-256: e89750d47cf5d35c58cd323f8d8e4714f4072da75af2876aba8f91a33cbc5545

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded URLs and a document body that promotes game hacks and free in-game currency, indicating a lure for users to click on potentially malicious links. The heuristic 'PDF_SEO_LINK_FARM' and 'ML_NYX_PDF_MALICIOUS' strongly suggest malicious intent. While no scripts were explicitly extracted, the nature of the embedded links and the document body suggests a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9824

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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/von-roblox-facebook-hacken-game-hack PDF link annotation
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-free-daily-spins-link_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/robux-com-free_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-daily-spins-and-coins_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-free-coins-facebook_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-online-photoshop-for-roblox_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/roblox-games-with-free-vip-servers_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-robux-no-human-verification-generator_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-free-spin-software_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/how-to-get-minecraft-for-free-on-laptop_GM479516143.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/roblox-free-followers-bot_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-free-spins-link-2021-twitter_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/roblox-jason-mask-free_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/what-is-coin-master-app_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/roblox-free-shirts-and-pants-catalog_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-robux-place_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/get-robux-free-button-script_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/minecraft-ps4-code-free_GM479516143.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/roblox-april-fools-hack_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/robux-sign_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/robux-money_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_off00002c1b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2C1B	22436 bytes
SHA-256: `d82f8d7c304b104447578033df31c577d7b93b3b7ac70b81ec504d8fbd709854`
`font_01_sfnt_off00005ddf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5DDF	18956 bytes
SHA-256: `c3032dc3fa37367b7491499f7e895825df9735add1e71e01c6bce5fc7030d621`

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