PDF static analysis report

Static analysis result for SHA-256 a55ca2e8c0130ca3…

SUSPICIOUS

PDF

33.2 KB Created: 2021-07-09 02:33:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 27ab806b43fe7d28452087c29f37cbbd SHA-1: 9f4aca3456d4abd6ce21b7573ae9847c177ac88d SHA-256: a55ca2e8c0130ca3d3d9cd8c6e91c012206f613e50a0f7b77bb37585aa2537fc
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains a lure for free in-game currency, with an embedded URI pointing to a suspicious domain. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the lure suggest an attempt to redirect the user to a malicious site, likely for credential harvesting or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

Heuristics 3

  • 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/431946152/how-to-do-you-get-a-free-robux-game-hack PDF link annotation
    • http://www.library.smactf.sch.id/repository/free-robux-roblox-account-generator_GM431946152.pdfIn PDF document text
    • http://www.library.smactf.sch.id/repository/2021-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
    • http://www.library.smactf.sch.id/repository/how-to-sell-roblox-clothes-for-free_GM431946152.pdfIn PDF document text
    • http://www.library.smactf.sch.id/repository/how-to-get-free-snacks-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.library.smactf.sch.id/repository/link-for-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://www.library.smactf.sch.id/repository/instagram-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://www.library.smactf.sch.id/repository/coin-master-hack-2021-ios_GM406889139.pdfIn PDF document text
    • http://www.library.smactf.sch.id/repository/coin-master-heaven-links_GM406889139.pdfIn PDF document text
    • http://www.library.smactf.sch.id/repository/no-key-free-exploit-roblox_GM431946152.pdfIn PDF document text
    • http://www.library.smactf.sch.id/repository/is-minecraft-earth-free_GM479516143.pdfIn PDF document text
    • http://www.library.smactf.sch.id/repository/mcpe-download_GM479516143.pdfIn PDF document text
    • http://www.library.smactf.sch.id/repository/coin-master-free-spins-hack-ios_GM406889139.pdfIn PDF document text
    • http://www.library.smactf.sch.id/repository/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
    • http://www.library.smactf.sch.id/repository/free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://www.library.smactf.sch.id/repository/free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
    • http://www.library.smactf.sch.id/repository/https-iosgodscom-topic-20214coinmasterhack_GM406889139.pdfIn PDF document text
    • http://www.library.smactf.sch.id/repository/how-to-get-stuffes-for-free-in-roblox_GM431946152.pdfIn PDF document text
    • http://www.library.smactf.sch.id/repository/free-robux-no-download_GM431946152.pdfIn PDF document text
    • http://www.library.smactf.sch.id/repository/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://www.library.smactf.sch.id/repository/can-you-still-get-minecraft-windows-10-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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002b14.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B14 22396 bytes
SHA-256: c91b4f4082e8e24141c95542c39f73bf0a3578a0bde98c49252dff53f703e04a
font_01_sfnt_off00005ce8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CE8 19128 bytes
SHA-256: 15c21fce656ca204bbeafdc5a8c9edfe196e4f5f89293ac0d3e3be3646dea580

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