Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6d7259082c7958e…

MALICIOUS

PDF

48.9 KB Created: 2021-06-09 01:12:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 3349d251968db6fb707cf39613e282d9 SHA-1: dcc2ccab09a71e014708480f8d0d434762bd5f8c SHA-256: c6d7259082c7958e215d692de8766789f741167e28ac17a794b809b7b88f8235
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that are disguised as links to game hacks and free currency generators. The primary URL, https://netcdn.tw/app/431946152/vortexx-roblox-free-robux-pastebin-game-hack, is presented as a lure to trick users into clicking and potentially downloading a malicious payload. The presence of multiple similar links suggests a phishing or scam campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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.tw/app/431946152/vortexx-roblox-free-robux-pastebin-game-hack PDF link annotation
    • https://dentmate.com.tw/image/data/files/how-to-hack-coin-master-apkmody_GM406889139.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/free-printable-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/free-spins-and-coins-coin-master-facebook_GM406889139.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/minecraft-windows-10-hack-client-2021_GM479516143.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/minecraft-hack-2021_GM479516143.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/coin-master-hack-app-2021_GM406889139.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/hack-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/10-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/coin-master-heaven-free-spins_GM406889139.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/free-roblox-hack_GM431946152.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/coin-master-apk-hack-358_GM406889139.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/how-to-get-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/coin-master-daily-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/how-to-download-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/robux-giver_GM431946152.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/free-roblox-city_GM431946152.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/coin-master-daily-free-spins-link-today-blog_GM406889139.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/mine-minecraft-games-for-free_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0000532d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x532D 25612 bytes
SHA-256: 46a424edf64a40f809890f51ffa7afd0cc1006e16ac946baac481f68d0f23c4f
font_01_sfnt_off00008e5e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E5E 5596 bytes
SHA-256: 9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5
font_02_sfnt_off00009b06.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B06 18828 bytes
SHA-256: 230afacf0f32c054c60e66eded757718efff0ae0493f4ba3c7c636cb6bee8765

Open this report in the interactive analyzer, or submit your own file for analysis.