PDF malware analysis — malicious · 5e50cc9488bc91f3

MALICIOUS

PDF

45.6 KB Created: 2021-05-14 17:53:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13

MD5: 3770ecbfd99e38be8eab9111c9197ba3 SHA-1: 69e06c6ac6ab9eb39c6ae108d8812f250fe68d80 SHA-256: 5e50cc9488bc91f3d83deeb96fdcec7b72a8424ed3fc01c16c3a401e09e6ab84

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded links, many of which are related to game hacks and free in-game currency, suggesting a link farm or phishing attempt. The ML classifier also flagged this PDF as malicious. The document's content and structure strongly indicate an attempt to redirect users to potentially harmful external sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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/406889139/how-to-hack-coin-master-apkmody-game-hack PDF link annotation
- http://fmbompastor.com.br/images/coin-master-free-spins-link-today_GM406889139.pdfIn PDF document text
- http://fmbompastor.com.br/images/how-can-i-get-free-robux_GM431946152.pdfIn PDF document text
- http://fmbompastor.com.br/images/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
- http://fmbompastor.com.br/images/coin-master-daily-gift-free-spins-and-coins-link-today_GM406889139.pdfIn PDF document text
- http://fmbompastor.com.br/images/coin-master-unlimited-coins-hack-apk-download_GM406889139.pdfIn PDF document text
- http://fmbompastor.com.br/images/coin-master-2021-free-spins-link_GM406889139.pdfIn PDF document text
- http://fmbompastor.com.br/images/minecraft-handbook_GM479516143.pdfIn PDF document text
- http://fmbompastor.com.br/images/free-spins-coin-master-links_GM406889139.pdfIn PDF document text
- http://fmbompastor.com.br/images/how-to-make-your-own-minecraft-pe-server-for-free_GM479516143.pdfIn PDF document text
- http://fmbompastor.com.br/images/minecraft-bedrock-free-download-pc_GM479516143.pdfIn PDF document text
- http://fmbompastor.com.br/images/funbloxxyz-free-robux_GM431946152.pdfIn PDF document text
- http://fmbompastor.com.br/images/is-there-any-way-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://fmbompastor.com.br/images/what-is-a-minecraft-client_GM479516143.pdfIn PDF document text
- http://fmbompastor.com.br/images/coin-master-free-gift-link-2021_GM406889139.pdfIn PDF document text
- http://fmbompastor.com.br/images/coin-master-coin-hack_GM406889139.pdfIn PDF document text
- http://fmbompastor.com.br/images/coin-master-free-spins-2021-app-download_GM406889139.pdfIn PDF document text
- http://fmbompastor.com.br/images/master-coin-master-free-spin_GM406889139.pdfIn PDF document text
- http://fmbompastor.com.br/images/aristois-minecraft-hack_GM479516143.pdfIn PDF document text
- http://fmbompastor.com.br/images/free-cheat-codes-for-coin-master_GM406889139.pdfIn PDF document text
- http://fmbompastor.com.br/images/blogspot-free-spins-coin-master_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_off00004a6b.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A6B	32408 bytes
SHA-256: `50912b4b0a05b610e876af9ab72905659d2c9da7c5d3b7ebbe081512d4bf26cf`
`font_01_sfnt_off00008ecb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8ECB	18668 bytes
SHA-256: `e7e40e6d627f7d0a582dd4caf2aeae50f8a0cca4ed14db558dd19ab499df6db9`

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