PDF static analysis report

Static analysis result for SHA-256 0f8525650b4af17c…

SUSPICIOUS

PDF

44.2 KB Created: 2021-05-15 01:19:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 6d00f0f12e7f0d47e89b265eeca77e73 SHA-1: 0914702e501c822ab0a5899e68eb5e08cdd4aa71 SHA-256: 0f8525650b4af17ce8fc5b15a4629b21e891b604d0bc988a427df302ef85911a
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 an external URI, indicating an attempt to redirect the user to download content. The document body, though partially garbled, suggests a lure related to obtaining free game items or hacks. The ML classifier also flagged the PDF as malicious, increasing confidence in its malicious intent.

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/479516143/how-to-get-minecraft-for-free-on-ps4-game-hack PDF link annotation
    • http://yochin.org.tw/images/coin-master-hack-tool-exe_GM406889139.pdfIn PDF document text
    • http://yochin.org.tw/images/when-was-minecraft-free_GM479516143.pdfIn PDF document text
    • http://yochin.org.tw/images/free-robux-co_GM431946152.pdfIn PDF document text
    • http://yochin.org.tw/images/robux-for-surveys_GM431946152.pdfIn PDF document text
    • http://yochin.org.tw/images/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
    • http://yochin.org.tw/images/promo-code-free-robux_GM431946152.pdfIn PDF document text
    • http://yochin.org.tw/images/free-2021-robux_GM431946152.pdfIn PDF document text
    • http://yochin.org.tw/images/how-to-hack-a-roblox-account-2021_GM431946152.pdfIn PDF document text
    • http://yochin.org.tw/images/free-robux-codes_GM431946152.pdfIn PDF document text
    • http://yochin.org.tw/images/is-minecraft-free-on-nintendo-switch_GM479516143.pdfIn PDF document text
    • http://yochin.org.tw/images/how-to-hack-roblox-2021_GM431946152.pdfIn PDF document text
    • http://yochin.org.tw/images/coin-master-free-spin-trick_GM406889139.pdfIn PDF document text
    • http://yochin.org.tw/images/where-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://yochin.org.tw/images/free-spin-coin-master-today_GM406889139.pdfIn PDF document text
    • http://yochin.org.tw/images/free-robux-hack_GM431946152.pdfIn PDF document text
    • http://yochin.org.tw/images/free-robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://yochin.org.tw/images/coin-master-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
    • http://yochin.org.tw/images/get-free-gold-cards-in-coin-master_GM406889139.pdfIn PDF document text
    • http://yochin.org.tw/images/apps-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://yochin.org.tw/images/coin-master-free-link-facebook_GM406889139.pdfIn PDF document text
    • https://www.youtIn 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_off00004c78.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C78 31384 bytes
SHA-256: 8d05e116c1d21f4b73a42cbed02e2ed2ac8951f492b0389fa8144f5bc0f9751c
font_01_sfnt_off00008b70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B70 18088 bytes
SHA-256: 3c584cfdb2e84eddbd4369948c7cb3512903decb89ab4dae7c156f2377516814

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