PDF malware analysis — malicious · a023b4ca0211050b

MALICIOUS

PDF

43.3 KB Created: 2021-05-15 01:15:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 09d93a67143177b70835b9fd7b421e00 SHA-1: 30f583607992de6b0438b3a1f19f55e50c410635 SHA-256: a023b4ca0211050b84cae86cdbffed819bea138fea1ddd9e18f38699a373aeab

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are structured as SEO-optimized PDF gateways for game hacks and cheats. The document body itself contains a direct link to a purported game download, which is a common lure for malware distribution. The ML classifier also strongly indicated maliciousness.

Machine Learning

Nyx PDF Classifier malicious score 0.9969

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/479516143/minecraft-pe-0.15-0-apk-free-download-game-hack
- https://koeltotaal.com/images/coin-master-hack-tool-v1-9-pc_GM406889139.pdf
- https://koeltotaal.com/images/how-to-get-free-robux-no-verification_GM431946152.pdf
- https://koeltotaal.com/images/how-to-hack-coin-master-with-lucky-patcher_GM406889139.pdf
- https://koeltotaal.com/images/rich-free-roblox-accounts_GM431946152.pdf
- https://koeltotaal.com/images/coin-master-tricks_GM406889139.pdf
- https://koeltotaal.com/images/spin-free-coin-master_GM406889139.pdf
- https://koeltotaal.com/images/coin-master-free-spins-only_GM406889139.pdf
- https://koeltotaal.com/images/how-to-get-free-robux-on-roblox_GM431946152.pdf
- https://koeltotaal.com/images/best-minecraft-hacked-client-2021_GM479516143.pdf
- https://koeltotaal.com/images/minecraft-free-download-mac-full-version_GM479516143.pdf
- https://koeltotaal.com/images/hack-a-game_GM431946152.pdf
- https://koeltotaal.com/images/coin-master-free-daily-spins_GM406889139.pdf
- https://koeltotaal.com/images/free-robux-for-free_GM431946152.pdf
- https://koeltotaal.com/images/websites-that-give-you-free-robux_GM431946152.pdf
- https://koeltotaal.com/images/haktuts-coin-master-free-daily-spins_GM406889139.pdf
- https://koeltotaal.com/images/coin-master-tiradas-gratis_GM406889139.pdf
- https://koeltotaal.com/images/how-to-get-free-spins-on-coin-master-game_GM406889139.pdf
- https://koeltotaal.com/images/how-to-get-roblox-premium-for-free-2021_GM431946152.pdf
- https://koeltotaal.com/images/best-way-to-get-free-robux_GM431946152.pdf
- https://koeltotaal.com/images/free-robux-generator-for-kids_GM431946152.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_off00004ac8.bin` `60bfe1c8f5d145697188be3b089f13fd7a270615cab3f3a592d7aab95771bb3d`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4AC8	24856 bytes
`font_01_sfnt_off000083f3.bin` `9273c8c2b8a269721a9438858e1c0aeb95c142b4551f9d4ca11e724d76d79d6e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83F3	19268 bytes

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