Malicious PDF — malware analysis report

Static analysis result for SHA-256 26993890471b9e60…

MALICIOUS

PDF

44.6 KB Created: 2021-06-08 23:10:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: ce817e822625342abfcb57c646e12e81 SHA-1: 555be61aa2e35883b03829eae6b3d937848f7962 SHA-256: 26993890471b9e602e179015c7f818e55c3406cb3a7b361cbfac10c694e3f306
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for a "free generator / game hack" which redirects to a malicious URL. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to trick the user into visiting a potentially harmful site, likely for credential harvesting or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9876

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/free-20210-robux-download-game-hack PDF link annotation
    • http://svadba-moda.kg/images/free-printable-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
    • http://svadba-moda.kg/images/minecraft-pe-free-apk_GM479516143.pdfIn PDF document text
    • http://svadba-moda.kg/images/roblox-how-to-get-free-pp-in-plaza_GM431946152.pdfIn PDF document text
    • http://svadba-moda.kg/images/free-robux-v3rmillion-site-v3rmillionnet_GM431946152.pdfIn PDF document text
    • http://svadba-moda.kg/images/free-robux-live-stream-zataf-plays_GM431946152.pdfIn PDF document text
    • http://svadba-moda.kg/images/free-robux_GM431946152.pdfIn PDF document text
    • http://svadba-moda.kg/images/get-anything-free-catalog-roblox-pastebin_GM431946152.pdfIn PDF document text
    • http://svadba-moda.kg/images/roblox-free-boy-face_GM431946152.pdfIn PDF document text
    • http://svadba-moda.kg/images/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
    • http://svadba-moda.kg/images/is-tiktok-free_GM835599320.pdfIn PDF document text
    • http://svadba-moda.kg/images/how-do-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://svadba-moda.kg/images/mobihack-roblox-hack_GM431946152.pdfIn PDF document text
    • http://svadba-moda.kg/images/minecraft-building-hacks_GM479516143.pdfIn PDF document text
    • http://svadba-moda.kg/images/how-to-hack-back-your-account-on-roblox_GM431946152.pdfIn PDF document text
    • http://svadba-moda.kg/images/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
    • http://svadba-moda.kg/images/minecraft-windows-10-edition-free-download_GM479516143.pdfIn PDF document text
    • http://svadba-moda.kg/images/how-to-get-free-robux-no-scam_GM431946152.pdfIn PDF document text
    • http://svadba-moda.kg/images/how-to-get-free-robux-hack-2021-no-verification_GM431946152.pdfIn PDF document text
    • http://svadba-moda.kg/images/free-robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://svadba-moda.kg/images/robux-gift-card-free_GM431946152.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0000507a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x507A 24972 bytes
SHA-256: 183968d79743a67f9010380f958a940a24db2301c5ac04e10a1081f70f573176
font_01_sfnt_off000088c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88C8 19224 bytes
SHA-256: 2a1f66b509fef4dd3f211e68664ea70d29d0e5dd05257255914722cf23dcfa58

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