PDF malware analysis — malicious · a10cedb75a8ea620

MALICIOUS

PDF

35.4 KB Created: 2021-07-09 01:30:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: c2290e62ba09f77f9446587e8959f391 SHA-1: a0cf012514c5649e527d16d6cb0dfac45107a72d SHA-256: a10cedb75a8ea6209e482009fde8f4ea08e40fb327ca55045c5c09b770cac2e8

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 0.9980

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 http://netcdn.tw/app/406889139/coin-master-online-hack-generator-game-hack PDF link annotation
- https://www.ktcart.co.in/uploaded_files/userfiles/files/xray-mod-minecraft-114_GM479516143.pdfIn PDF document text
- https://www.ktcart.co.in/uploaded_files/userfiles/files/free-robux-sites-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.ktcart.co.in/uploaded_files/userfiles/files/roblox-hack-app_GM431946152.pdfIn PDF document text
- https://www.ktcart.co.in/uploaded_files/userfiles/files/bleu-roblox-hack-key_GM431946152.pdfIn PDF document text
- https://www.ktcart.co.in/uploaded_files/userfiles/files/cheat-engine-hack-roblox-robux_GM431946152.pdfIn PDF document text
- https://www.ktcart.co.in/uploaded_files/userfiles/files/autoclicker-hack-roblox_GM431946152.pdfIn PDF document text
- https://www.ktcart.co.in/uploaded_files/userfiles/files/free-robux-with-no-survey_GM431946152.pdfIn PDF document text
- https://www.ktcart.co.in/uploaded_files/userfiles/files/free-robux-on-phone_GM431946152.pdfIn PDF document text
- https://www.ktcart.co.in/uploaded_files/userfiles/files/minecraft-mods-download-free_GM479516143.pdfIn PDF document text
- https://www.ktcart.co.in/uploaded_files/userfiles/files/roblox-2021-hack-banners_GM431946152.pdfIn PDF document text
- https://www.ktcart.co.in/uploaded_files/userfiles/files/free-murder-mystery-2-roblox-codes_GM431946152.pdfIn PDF document text
- https://www.ktcart.co.in/uploaded_files/userfiles/files/free-spins-link-in-coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.ktcart.co.in/uploaded_files/userfiles/files/how-do-you-get-free-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.ktcart.co.in/uploaded_files/userfiles/files/robux-hacknetpremium-robux-generator_GM431946152.pdfIn PDF document text
- https://www.ktcart.co.in/uploaded_files/userfiles/files/minecraft-mojang-free_GM479516143.pdfIn PDF document text
- https://www.ktcart.co.in/uploaded_files/userfiles/files/free-robux-promo-cides_GM431946152.pdfIn PDF document text
- https://www.ktcart.co.in/uploaded_files/userfiles/files/no-robux_GM431946152.pdfIn PDF document text
- https://www.ktcart.co.in/uploaded_files/userfiles/files/minecraft-apk-download-free-11-055_GM479516143.pdfIn PDF document text
- https://www.ktcart.co.in/uploaded_files/userfiles/files/how-to-hack-with-cheat-engine-on-roblox_GM431946152.pdfIn PDF document text
- https://www.ktcart.co.in/uploaded_files/userfiles/files/videos-of-how-to-get-free-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
`font_00_sfnt_off00003349.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3349	23468 bytes
SHA-256: `61c56f99ff6d07ff20243755a69b450550d95e55b453585947b784608dbb4c96`
`font_01_sfnt_off0000685d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x685D	18080 bytes
SHA-256: `cd600620ffe18aceb987849ae263b25f24730e2c60818ae74d1c2f10ec990b1a`

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