Malicious PDF — malware analysis report

Static analysis result for SHA-256 6934a74501a9d8fd…

MALICIOUS

PDF

34.6 KB Created: 2021-06-29 23:54:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: a5d321ddfad1446b9f6e68ddfd4be789 SHA-1: c108c52eb0ed091748e8818294a62d1aaa7d8a77 SHA-256: 6934a74501a9d8fd0b3de2eaf25150863bf97a9d17b64a95bc9eb56132ef5568
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for 'free game hacks' and redirects to a malicious URL. The ML classifier strongly indicated maliciousness, and the presence of embedded URLs further supports a phishing or scamming attempt. No scripts were extracted, but the document's structure and embedded links suggest it is designed to trick users into visiting a potentially harmful site.

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.co/app/431946152/free-roblox-accounts-with-robux-that-work-2021-game-hack PDF link annotation
    • http://www.e-lysis.com/images/changing-your-walkspeed-in-roblox-cheat-engine_GM431946152.pdfIn PDF document text
    • http://www.e-lysis.com/images/free-robux-on-phone-2021_GM431946152.pdfIn PDF document text
    • http://www.e-lysis.com/images/google-how-do-you-get-robux_GM431946152.pdfIn PDF document text
    • http://www.e-lysis.com/images/hackear-coin-master-android_GM406889139.pdfIn PDF document text
    • http://www.e-lysis.com/images/how-to-hack-a-roblox-accoutnt_GM431946152.pdfIn PDF document text
    • http://www.e-lysis.com/images/coomo-ponerse-hack-en-roblox_GM431946152.pdfIn PDF document text
    • http://www.e-lysis.com/images/how-to-get-free-robux-with-inspect-element-2021_GM431946152.pdfIn PDF document text
    • http://www.e-lysis.com/images/blox-land-free-robux_GM431946152.pdfIn PDF document text
    • http://www.e-lysis.com/images/how-to-win-attack-madness-in-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://www.e-lysis.com/images/was-minecraft-ever-free_GM479516143.pdfIn PDF document text
    • http://www.e-lysis.com/images/how-to-get-free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • http://www.e-lysis.com/images/free-robux-games-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • http://www.e-lysis.com/images/free-minecraft-thumbnails_GM479516143.pdfIn PDF document text
    • http://www.e-lysis.com/images/coinmaster_GM406889139.pdfIn PDF document text
    • http://www.e-lysis.com/images/coin-master-mod-apk-free-download_GM406889139.pdfIn PDF document text
    • http://www.e-lysis.com/images/cheat-enine-roblox_GM431946152.pdfIn PDF document text
    • http://www.e-lysis.com/images/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
    • http://www.e-lysis.com/images/free-robux-withdraw_GM431946152.pdfIn PDF document text
    • http://www.e-lysis.com/images/hack-para-roblox-facil_GM431946152.pdfIn PDF document text
    • http://www.e-lysis.com/images/how-to-get-free-robux-on-a-website_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.

FilenameKindSourceSize
font_00_sfnt_off00002f66.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F66 21864 bytes
SHA-256: 19c8fe2a0961fd6ef4f5c18b697281979e3407d7890218f4853a8c7c8e5ce63e
font_01_sfnt_off00005f90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F90 19948 bytes
SHA-256: 25c875579330c816dc270a6cc831986c277f5cf3e4bf50255e97f253356454b0

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