PDF malware analysis — malicious · 986a707574e62520

MALICIOUS

PDF

41.2 KB Created: 2021-05-13 20:11:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 09cf873223783fefd5c68a82538ad007 SHA-1: abd613f7f1025e1e84b8845d74ff7e9c861951ac SHA-256: 986a707574e62520e090ec888927dff627aa8ae45a500d1f4ff5d2e44717fd23

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded links, forming a link farm, that direct users to websites promising free Robux or game hacks. The ML classifier strongly indicated maliciousness, and the presence of external URIs and a link farm heuristic confirms a deceptive intent. While no scripts were explicitly extracted, the PDF structure and embedded links suggest a phishing or scam campaign designed to trick users into visiting malicious sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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 https://netcdn.xyz/app/431946152/free-robux-ad-game-hack
- http://lib.kunci.or.id/repository/how-to-hack-any-roblox-account_GM431946152.pdf
- http://lib.kunci.or.id/repository/wurst-hacked-client_GM479516143.pdf
- http://lib.kunci.or.id/repository/rbxoffers-com-free-robux_GM431946152.pdf
- http://lib.kunci.or.id/repository/coin-master-hack-generator-tool_GM406889139.pdf
- http://lib.kunci.or.id/repository/minecraft-free-download-apk-softonic_GM479516143.pdf
- http://lib.kunci.or.id/repository/how-to-get-free-robux-without-doing-anything-2021_GM431946152.pdf
- http://lib.kunci.or.id/repository/minecraft-mod-updater_GM479516143.pdf
- http://lib.kunci.or.id/repository/free-role-in-coin-master_GM406889139.pdf
- http://lib.kunci.or.id/repository/coin-master-free-spin-group_GM406889139.pdf
- http://lib.kunci.or.id/repository/how-do-you-get-free-robux_GM431946152.pdf
- http://lib.kunci.or.id/repository/roblox-hack-me-robux_GM431946152.pdf
- http://lib.kunci.or.id/repository/free-coin-master-spins-2021_GM406889139.pdf
- http://lib.kunci.or.id/repository/free-robux-roblox-promo-codes_GM431946152.pdf
- http://lib.kunci.or.id/repository/free-roblox-toy-codes-not-used_GM431946152.pdf
- http://lib.kunci.or.id/repository/robux-download_GM431946152.pdf
- http://lib.kunci.or.id/repository/how-can-i-get-robux_GM431946152.pdf
- http://lib.kunci.or.id/repository/how-to-get-free-roebucks-in-roblox_GM431946152.pdf
- http://lib.kunci.or.id/repository/archery-master-3d-apk-and-mod-free-download-unlimited-coins_GM406889139.pdf
- http://lib.kunci.or.id/repository/how-to-hack-robux_GM431946152.pdf
- http://lib.kunci.or.id/repository/hack-xp-net-generators-coin-master_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004622.bin` `8c185cf51ae984d620a17af11d1bf875905e4ffd5c3c57c4f98accbeb2a305be`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4622	24960 bytes
`font_01_sfnt_off00007ecb.bin` `8548f8eac6602b4da1df91b5e613954ee993c39611fc0c0834e4b9af2cb2062a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7ECB	18188 bytes

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