PDF static analysis report

Static analysis result for SHA-256 56f62a1d7ded74bd…

SUSPICIOUS

PDF

47.3 KB Created: 2021-05-18 05:37:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: afa6c8a3818b33c5f989bc2ce42a9f9b SHA-1: c1e440c2dd8f2f4beb12d54e4a5d431872a154de SHA-256: 56f62a1d7ded74bd3a28908de9909759b1bbec989123fe6d493376c4a8550fa9
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded URLs and document body text that promote a 'Coin Master Hack App' and 'free Robux', suggesting a social engineering lure to download potentially unwanted or malicious software. The ML classifier also flagged this PDF as malicious. While no scripts were directly extracted, the presence of external URIs indicates an attempt to redirect the user to a download site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

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/coin-master-hack-app-game-hack PDF link annotation
    • http://www.sharp-calculators.com/files/ckfinder/files/coin-master-daily-free-spins-link-today-blog_GM406889139.pdfIn PDF document text
    • http://www.sharp-calculators.com/files/ckfinder/files/free-robux-generator_GM431946152.pdfIn PDF document text
    • http://www.sharp-calculators.com/files/ckfinder/files/free-spin-generator-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.sharp-calculators.com/files/ckfinder/files/free-free-robux_GM431946152.pdfIn PDF document text
    • http://www.sharp-calculators.com/files/ckfinder/files/how-to-get-free-robux-without-any-verification_GM431946152.pdfIn PDF document text
    • http://www.sharp-calculators.com/files/ckfinder/files/coin-master-ios-hack_GM406889139.pdfIn PDF document text
    • http://www.sharp-calculators.com/files/ckfinder/files/robux-generator_GM431946152.pdfIn PDF document text
    • http://www.sharp-calculators.com/files/ckfinder/files/how-to-earn-free-stars-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.sharp-calculators.com/files/ckfinder/files/legitimate-coin-master-free-spins-apk_GM406889139.pdfIn PDF document text
    • http://www.sharp-calculators.com/files/ckfinder/files/free-download-coin-master_GM406889139.pdfIn PDF document text
    • http://www.sharp-calculators.com/files/ckfinder/files/get-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://www.sharp-calculators.com/files/ckfinder/files/hack-roblox-players_GM431946152.pdfIn PDF document text
    • http://www.sharp-calculators.com/files/ckfinder/files/coin-master-hack-without-human-verification-2021_GM406889139.pdfIn PDF document text
    • http://www.sharp-calculators.com/files/ckfinder/files/best-free-minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • http://www.sharp-calculators.com/files/ckfinder/files/how-to-get-free-coins-and-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.sharp-calculators.com/files/ckfinder/files/coin-master-free-spins-and-coins-app-download_GM406889139.pdfIn PDF document text
    • http://www.sharp-calculators.com/files/ckfinder/files/80-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.sharp-calculators.com/files/ckfinder/files/coin-master-free-spins-link-blogspot-today_GM406889139.pdfIn PDF document text
    • http://www.sharp-calculators.com/files/ckfinder/files/coin-master-new-cards-hack_GM406889139.pdfIn PDF document text
    • http://www.sharp-calculators.com/files/ckfinder/files/free-robux-generator-no-human-verification-2021_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004d68.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4D68 26712 bytes
SHA-256: 6da5fd3ca27a012983ab4dc71bce4dcc34ad05f86fc9a8f2b32ae18881a2b179
font_01_sfnt_off00008ac4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8AC4 3620 bytes
SHA-256: d859fd77b85f3b3415639a87e8809ecf698e2c52ea4a2633c07d9e96259cae8a
font_02_sfnt_off00009787.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9787 17892 bytes
SHA-256: f939fda97690d6a809d743b342add8ec97984f5e978608423f32dd39679c4d64

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