PDF static analysis report

Static analysis result for SHA-256 552cbe175ab0b186…

SUSPICIOUS

PDF

44.7 KB Created: 2021-05-11 23:38:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: bc073218a7961d7518868c63d853f4cb SHA-1: 98366017c98515bf9a54edd723a42ffe3b4e6fb9 SHA-256: 552cbe175ab0b186c050e6e09c274fded69b6d029427b31336ccbd52a3bd6e39
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains an embedded URL pointing to a suspicious domain, likely intended to deliver a payload or redirect the user to a malicious site. The ML classifier strongly flagged this PDF as malicious, and the presence of a visual download button heuristic further supports a deceptive lure. The document body, though heavily corrupted, contains text related to game hacks and free items, aligning with common social engineering tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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.xyz/app/431946152/roblox-skins-boy-free-game-hack PDF link annotation
    • https://opac.heritagejkt.org/repository/free-coin-master-stuff_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/coin-master-hack-without-verification-or-downloading-apps_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/how-to-hack-a-roblox-account-easy_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/free-robux-please_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/minecraft-launcher-free_GM479516143.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/earn-robux-today-earn-robux-today_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/coin-master-free-spins-2021-no-human-verification_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/scaffold-minecraft-hack_GM479516143.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/free-gold-cards-in-coin-master_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/block-best-robux_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/roblox-free-clothes-girl_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/how-to-get-free-robux-on-pc_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/coin-master-free-coin-hack_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/coin-master-hack-review_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/how-to-get-free-robux-not-a-scam_GM431946152.pdfIn PDF document text
    • https://opac.heritagejkt.org/repository/coin-master-hack-apk-android_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/coin-master-free-spin-game_GM406889139.pdfIn PDF document text
    • https://opac.heritagejkt.org//repository/coin-master-daily-free-spins_GM406889139.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_003_off00004926.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4926 29968 bytes
SHA-256: 1dd8b6b01bdd3661f077d6d7ff908de72fd40f160063be14d90f401d4070b188
font_01_sfnt_off00008c21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C21 18420 bytes
SHA-256: f34de68c913d1c931e579594a611635df95b6f402bf6c6d3ef5f8f4a3ceebe71

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