PDF static analysis report

Static analysis result for SHA-256 4a82eaf132d8436d…

SUSPICIOUS

PDF

45.7 KB Created: 2021-06-07 19:07:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: eca2252ac59f2323bd83a2cc783a7606 SHA-1: 0be810b6bda3f2f64491c12460b6327a2741f8b0 SHA-256: 4a82eaf132d8436de08f9e9ecc06d8ada95cbbb39d919d627a8bf31f0bad28ec
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded URLs and document body text that advertise free in-game items and currency for popular games, acting as a lure. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple external URIs suggests a download or redirection attempt. While no scripts were explicitly extracted, the nature of the lures and the high ML score indicate a high likelihood of this document being used to distribute malware or lead users to phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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 https://netcdn.tw/app/431946152/roblox-free-bag-goku-game-hack PDF link annotation
    • http://stpc.it/images/coin-master-hack-for-android_GM406889139.pdfIn PDF document text
    • http://stpc.it/images/bad-minecraft-free_GM479516143.pdfIn PDF document text
    • http://stpc.it/images/500-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://stpc.it/images/coin-master-hack-app-android_GM406889139.pdfIn PDF document text
    • http://stpc.it/images/how-to-get-free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://stpc.it/images/coin-master-free-spins-1701-20_GM406889139.pdfIn PDF document text
    • http://stpc.it/images/with-pokemon-go-free-download_GM1094591345.pdfIn PDF document text
    • http://stpc.it/images/coin-master-hacks-iphone_GM406889139.pdfIn PDF document text
    • http://stpc.it/images/how-to-make-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://stpc.it/images/free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://stpc.it/images/free-robux-that-actually-works_GM431946152.pdfIn PDF document text
    • http://stpc.it/images/link-coin-master_GM406889139.pdfIn PDF document text
    • http://stpc.it/images/buy-tiktok-followers-free_GM835599320.pdfIn PDF document text
    • http://stpc.it/images/coin-master-free-spins-hacktman_GM406889139.pdfIn PDF document text
    • http://stpc.it/images/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • http://stpc.it/images/how-to-hack-a-roblox-account-easy_GM431946152.pdfIn PDF document text
    • http://stpc.it/images/free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://stpc.it/images/uprobuxcom-free-robux_GM431946152.pdfIn PDF document text
    • http://stpc.it/images/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://stpc.it/images/does-roblox-premium-expire_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_off00004f55.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F55 27424 bytes
SHA-256: ab481ebe3394b0b93e5efb891941817519d4735855ea2a6b57e6940cf0b745e6
font_01_sfnt_off00008ea8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8EA8 18772 bytes
SHA-256: 56072f579c0de15b092beace849eae531cc8c63f177cf9dcd47b43c431ace6e7

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