PDF malware analysis — malicious · fe9f565c14b375d9

MALICIOUS

PDF

44.5 KB Created: 2021-05-12 16:34:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: aeb975a0cc79c9d71b16f46dfbb87cbb SHA-1: d17b26d438c1a6c83e30bfe1b8a718fd5b65de34 SHA-256: fe9f565c14b375d96a0be332a2d36d0980a98d4db5f79d4484027f3ef4f14cba

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a prominent link disguised as a "free generator / game hack" download, which is a common social engineering tactic to trick users into downloading malicious files. The ML classifier strongly indicated maliciousness, and multiple heuristics confirm the presence of external links and a lure for game hacks. No scripts were extracted from this sample.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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/479516143/minecraft-free-download-unblocked-game-hack PDF link annotation
- https://www.hearcolors.com.mx/img/blog/files/how-to-hack-roblox-jailbreak_GM431946152.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/roblox-toy-codes-free_GM431946152.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/how-to-get-free-robux-without-email_GM431946152.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/mcpe-master-coin-hack-apk_GM406889139.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/free-robux-youtube_GM431946152.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/coin-master-unlimited-spins_GM406889139.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/minecraft-java-edition-free_GM479516143.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/coin-master-2021-free-spins-link_GM406889139.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/robux-generator-without-human-verification_GM431946152.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/free-robux-com-roblox_GM431946152.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/mcpe-master-unlimited-coins-free-download_GM406889139.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/how-to-change-roblox-username-for-free-2021_GM431946152.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/coin-master-hack-apk-with-fb-login_GM406889139.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/minecraft-pe-free_GM479516143.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/free-spins-coin-master-generator_GM406889139.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/robux-gift-card-free_GM431946152.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/coin-master-free-spins-link-download-apk_GM406889139.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/coin-master-free-spins-11-01-2021_GM406889139.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/is-minecraft-java-free_GM479516143.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_off00004aa4.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4AA4	31520 bytes
SHA-256: `412e8bcc59e990b62bda3747cfb75e82d37e23b2de5a41341b0ea3e30bfff14f`
`font_01_sfnt_off00008a06.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A06	18804 bytes
SHA-256: `351b73efa1cf4358b07b283040b01ec481d6b0b50516ad4f4e94e13994b713ed`

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