PDF malware analysis — malicious · 58027f58865ab893

MALICIOUS

PDF

43.9 KB Created: 2021-05-12 02:00:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 64559ca1631d01bd8bc77348bf963097 SHA-1: 1270e9e29f088ec50c8b0cbf5a638195c88cc15a SHA-256: 58027f58865ab893c674c66c0ab8fbf5359847fa73030f97eb948a7ffeb7c698

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 0.9969

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/406889139/coin-master-hack-xyz-apk-download-game-hack PDF link annotation
- https://www.decorsofacile.com/uploaded_files/userfiles/files/coin-master-free-spins-2021-generator_GM406889139.pdfIn PDF document text
- https://www.decorsofacile.com/uploaded_files/userfiles/files/bux-free-robux_GM431946152.pdfIn PDF document text
- https://www.decorsofacile.com/uploaded_files/userfiles/files/coin-master-free-spins-bit-ly_GM406889139.pdfIn PDF document text
- https://www.decorsofacile.com/uploaded_files/userfiles/files/coin-master-online-hack-no-survey-no-password_GM406889139.pdfIn PDF document text
- https://www.decorsofacile.com/uploaded_files/userfiles/files/websites-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- https://www.decorsofacile.com/uploaded_files/userfiles/files/minecraft-java-free-trial_GM479516143.pdfIn PDF document text
- https://www.decorsofacile.com/uploaded_files/userfiles/files/how-do-u-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.decorsofacile.com/uploaded_files/userfiles/files/minecraft-free-download-chromebook_GM479516143.pdfIn PDF document text
- https://www.decorsofacile.com/uploaded_files/userfiles/files/coin-master-unlimited-spins-apk-free-download_GM406889139.pdfIn PDF document text
- https://www.decorsofacile.com/uploaded_files/userfiles/files/roblox-exploit-scripts_GM431946152.pdfIn PDF document text
- https://www.decorsofacile.com/uploaded_files/userfiles/files/coin-master-free-spins-and-coins-blogspot_GM406889139.pdfIn PDF document text
- https://www.decorsofacile.com/uploaded_files/userfiles/files/coin-master-hack-spins-ios_GM406889139.pdfIn PDF document text
- https://www.decorsofacile.com/uploaded_files/userfiles/files/free-robux-scams_GM431946152.pdfIn PDF document text
- https://www.decorsofacile.com/uploaded_files/userfiles/files/hack-coin-master-iphone_GM406889139.pdfIn PDF document text
- https://www.decorsofacile.com/uploaded_files/userfiles/files/how-to-get-free-coins-and-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.decorsofacile.com/uploaded_files/userfiles/files/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
- https://www.decorsofacile.com/uploaded_files/userfiles/files/minecraft-bedrock-edition-download-pc-free_GM479516143.pdfIn PDF document text
- https://www.decorsofacile.com/uploaded_files/userfiles/files/free-spin-links-coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.decorsofacile.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
- https://www.decorsofacile.com/uploaded_files/userfiles/files/get-robux_GM431946152.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_off00004dce.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4DCE	24860 bytes
SHA-256: `0e2cbebb5cc88c014939a8866abdcfffa430ac43d2ff9fe5aa37bfda0513a4b2`
`font_01_sfnt_off000086e6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x86E6	18964 bytes
SHA-256: `42a942681b50248dcccc5fc85bca355d05b372000a3cb49c351c6f0dce64ffde`

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