PDF malware analysis — malicious · 1201f6b99784e438

MALICIOUS

PDF

42.4 KB Created: 2021-05-17 17:03:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 526d9386133fb051d5aec0d84f9c5b6b SHA-1: 3db4485c9cf1a115e2397d06212d8be3802452d6 SHA-256: 1201f6b99784e438a7d2e0e92489cab37300b0c98aa386bbdd0c7ba2a3b92aac

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains numerous external links, forming a link farm designed to attract users searching for game hacks. The ML classifier strongly indicated maliciousness, and the presence of a 'download button' heuristic further supports a malicious intent to redirect users to potentially harmful content. The document's content and structure suggest it is part of a larger SEO-based lure campaign.

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/479516143/how-to-hack-minecraft-game-hack
- https://www.shin.ge/images/minecraft-reach-hack_GM479516143.pdf
- https://www.shin.ge/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdf
- https://www.shin.ge/images/how-to-get-free-snacks-in-coin-master_GM406889139.pdf
- https://www.shin.ge/images/free-roblox-accounts-with-robux_GM431946152.pdf
- https://www.shin.ge/images/roblox-rewards-site_GM431946152.pdf
- https://www.shin.ge/images/free-coin-master-hacks-no-verification-or-survey_GM406889139.pdf
- https://www.shin.ge/images/coin-master-free-spins-daily_GM406889139.pdf
- https://www.shin.ge/images/free-robux-without-downloading-anything_GM431946152.pdf
- https://www.shin.ge/images/free-robux-websites-that-actually-work-2021_GM431946152.pdf
- https://www.shin.ge/images/free-robux-giveaway_GM431946152.pdf
- https://www.shin.ge/images/free-robux-only-1-step_GM431946152.pdf
- https://www.shin.ge/images/get-robux-today_GM431946152.pdf
- https://www.shin.ge/images/get-free-spins-in-coin-master_GM406889139.pdf
- https://www.shin.ge/images/minecraft-xbox-one-edition-digital-code-free_GM479516143.pdf
- https://www.shin.ge/images/free-coin-master-spins-link_GM406889139.pdf
- https://www.shin.ge/images/coin-master-hack-tool-v1-9-download-free-pc_GM406889139.pdf
- https://www.shin.ge/images/get-2021-free-spins-on-coin-master_GM406889139.pdf
- https://www.shin.ge/images/free-coin-master-coins-and-spins_GM406889139.pdf
- https://www.shin.ge/images/free-roblox-groups-with-funds_GM431946152.pdf
- https://www.shin.ge/images/original-roblox_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_off00004a21.bin` `225cce0d26f020e2b57fcfd250e22d3a89ddbcd90cd0978a4419f297536a46c4`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A21	25652 bytes
`font_01_sfnt_off00008435.bin` `ee12250b32ae9257b8264adf9c9bd9c6b89cbb94dc70a51b2b21ac09721525f2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8435	18044 bytes

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