PDF malware analysis — malicious · 8e6e7c09add5e353

MALICIOUS

PDF

40.0 KB Created: 2021-05-30 15:28:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 298b5c55dc28c0a2569134f8df2e93e0 SHA-1: c3e1e229ec08ef63a047397ed1e575264d0aef47 SHA-256: 8e6e7c09add5e353d7e76fd93d2ae52ec5b81e9a3c0dcc61a61bee9e0a169c20

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 0.9991

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/835599320/how-to-get-verified-on-tiktok-for-free-game-hack PDF link annotation
- https://barcelonahealthhub.com/wp-content/uploads/fsqm-files/free-tiktok-likes-app_GM835599320.pdfIn PDF document text
- https://barcelonahealthhub.com/wp-content/uploads/fsqm-files/free-modded-minecraft-server_GM479516143.pdfIn PDF document text
- https://barcelonahealthhub.com/wp-content/uploads/fsqm-files/minecraft-pc-free_GM479516143.pdfIn PDF document text
- https://barcelonahealthhub.com/wp-content/uploads/fsqm-files/free-robux-gift-card_GM431946152.pdfIn PDF document text
- https://barcelonahealthhub.com/wp-content/uploads/fsqm-files/free-robux-link_GM431946152.pdfIn PDF document text
- https://barcelonahealthhub.com/wp-content/uploads/fsqm-files/games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- https://barcelonahealthhub.com/wp-content/uploads/fsqm-files/free-tiktok-fans-no-verification_GM835599320.pdfIn PDF document text
- https://barcelonahealthhub.com/wp-content/uploads/fsqm-files/free-tiktok-accounts_GM835599320.pdfIn PDF document text
- https://barcelonahealthhub.com/wp-content/uploads/fsqm-files/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
- https://barcelonahealthhub.com/wp-content/uploads/fsqm-files/give-me-free-robux_GM431946152.pdfIn PDF document text
- https://barcelonahealthhub.com/wp-content/uploads/fsqm-files/free-100-robux_GM431946152.pdfIn PDF document text
- https://barcelonahealthhub.com/wp-content/uploads/fsqm-files/tiktok-fans-free_GM835599320.pdfIn PDF document text
- https://barcelonahealthhub.com/wp-content/uploads/fsqm-files/minecraft-on-computer-free_GM479516143.pdfIn PDF document text
- https://barcelonahealthhub.com/wp-content/uploads/fsqm-files/coin-master-daily-free-spins-link-today_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_002_off00003a9d.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3A9D	30560 bytes
SHA-256: `51c15e0f92cdabe7cedb3df9f0df9daf60e5eec2185ae3b0c0a1f81c6c256828`
`font_01_sfnt_off00007bc3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7BC3	17928 bytes
SHA-256: `e37ad39f5ad2ca92ca27a26cd5cddcc2f7e09660446c4b75033bd08f8a796cf2`

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