PDF static analysis report

Static analysis result for SHA-256 b152c38d4a53c959…

SUSPICIOUS

PDF

42.2 KB Created: 2021-05-14 13:05:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c904c78c2ff92911be2b90b272271f3e SHA-1: 07f619461c973f7f0f681720f6a1b6f8a1231061 SHA-256: b152c38d4a53c9596ad0d61d422c2642e189b1f88a2fb13b33f1f98f557535ab
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains embedded URLs and a heuristic firing for a visual download button, suggesting a lure to download a payload. The ML classifier also flagged this PDF with high confidence. The document body, though partially garbled, indicates a theme of 'free card collection' or 'game hacks', aligning with common social engineering tactics to trick users into clicking malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/406889139/free-card-collection-in-coin-master-game-hack PDF link annotation
    • https://encounternepal.com/userfiles/files/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
    • https://encounternepal.com/userfiles/files/earn-free-robux_GM431946152.pdfIn PDF document text
    • https://encounternepal.com/userfiles/files/how-do-you-get-roblox-money_GM431946152.pdfIn PDF document text
    • https://encounternepal.com/userfiles/files/omplete-surveys-for-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://encounternepal.com/userfiles/files/coin-master-free-spins-hacktman_GM406889139.pdfIn PDF document text
    • https://encounternepal.com/userfiles/files/coin-master-free-coins-and-spins-today_GM406889139.pdfIn PDF document text
    • https://encounternepal.com/userfiles/files/coin-master-hack-tool-2021_GM406889139.pdfIn PDF document text
    • https://encounternepal.com/userfiles/files/mc-update_GM479516143.pdfIn PDF document text
    • https://encounternepal.com/userfiles/files/can-you-get-robux-for-free_GM431946152.pdfIn PDF document text
    • https://encounternepal.com/userfiles/files/coin-master-free-spins-hack-ios_GM406889139.pdfIn PDF document text
    • https://encounternepal.com/userfiles/files/coin-master-free-spins-cash_GM406889139.pdfIn PDF document text
    • https://encounternepal.com/userfiles/files/free-robux-hack_GM431946152.pdfIn PDF document text
    • https://encounternepal.com/userfiles/files/games-on-roblox-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://encounternepal.com/userfiles/files/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://encounternepal.com/userfiles/files/free-robux-offers_GM431946152.pdfIn PDF document text
    • https://encounternepal.com/userfiles/files/free-robux-without-any-verification_GM431946152.pdfIn PDF document text
    • https://encounternepal.com/userfiles/files/how-to-make-clothes-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://encounternepal.com/userfiles/files/minecraft-realms-free-codes_GM479516143.pdfIn PDF document text
    • https://encounternepal.com/userfiles/files/coin-master-hack-blog_GM406889139.pdfIn PDF document text
    • https://encounternepal.com/userfiles/files/free-robux-hack-us_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_003_off00004a81.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A81 25776 bytes
SHA-256: f99b824ab8762bf59ec444111275a8319566ebfb1f854c050938910dee1d0771
font_01_sfnt_off000083d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83D3 17960 bytes
SHA-256: edc3bf59ec5464d2d6a561628fecaf1a0820252d93c85382beb4d086388a752e

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