PDF malware analysis — malicious · cc12c1011008a47b

MALICIOUS

PDF

42.6 KB Created: 2021-05-14 19:32:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 3168a9e084c3a5a44bdb64b51055c4f6 SHA-1: d603a13d89852a1f030c5c0a71ce366597486e8b SHA-256: cc12c1011008a47b8b874ab56b01aa47417bbd5fc108eff45080e63be9518c8e

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 0.9971

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 https://netcdn.xyz/app/431946152/free-roblox-shirts-templates-game-hack PDF link annotation
- http://medinup.pt/images/free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://medinup.pt/images/how-to-hack-coin-master-with-root_GM406889139.pdfIn PDF document text
- http://medinup.pt/images/mcpe-116_GM479516143.pdfIn PDF document text
- http://medinup.pt/images/wurst-minecraft_GM479516143.pdfIn PDF document text
- http://medinup.pt/images/roblox-generator-no-human-verification_GM431946152.pdfIn PDF document text
- http://medinup.pt/images/free-roblox-clothes-for-your-avatar_GM431946152.pdfIn PDF document text
- http://medinup.pt/images/coin-master-free-spins-link_GM406889139.pdfIn PDF document text
- http://medinup.pt/images/free-spins-on-coin-master-2021-ios_GM406889139.pdfIn PDF document text
- http://medinup.pt/images/what-is-a-minecraft-client_GM479516143.pdfIn PDF document text
- http://medinup.pt/images/minecraft-free-minecraft_GM479516143.pdfIn PDF document text
- http://medinup.pt/images/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
- http://medinup.pt/images/roblox-hack-download_GM431946152.pdfIn PDF document text
- http://medinup.pt/images/hack-coin-master-343-apk_GM406889139.pdfIn PDF document text
- http://medinup.pt/images/how-to-create-group-in-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://medinup.pt/images/minecraft-free-reddit_GM479516143.pdfIn PDF document text
- http://medinup.pt/images/how-to-exploit-roblox_GM431946152.pdfIn PDF document text
- http://medinup.pt/images/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
- http://medinup.pt/images/coin-master-hack-spins-apk-download_GM406889139.pdfIn PDF document text
- http://medinup.pt/images/microsoft-bing-free-robux_GM431946152.pdfIn PDF document text
- http://medinup.pt/images/coin-master-home_GM406889139.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
`stream_003_off00004664.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4664	25644 bytes
SHA-256: `d01dd8e4f416a4dce8d6064c2a542716975652e2a93063059d217cbe2e9f20b2`
`font_01_sfnt_off00008232.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8232	19000 bytes
SHA-256: `9846c57f19aefef1863ce0f19602eeffc36beb237370d9673c8368dba1a12ee8`

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