PDF static analysis report

Static analysis result for SHA-256 9398c40ddd0a2b0d…

SUSPICIOUS

PDF

42.7 KB Created: 2021-06-03 09:13:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 439976d555f0a3b8d49283ec1b349473 SHA-1: 1118ade2b0437b37b5debcacf14dc596ee8912b2 SHA-256: 9398c40ddd0a2b0d04dc1e32aeb64a413136d333f16b3bbef0127c6f3c8521c0
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains an embedded URI pointing to a download link for 'free coins' related to the game 'Coin Master', suggesting a lure for users to download a payload. The ML classifier strongly flagged this PDF as malicious, and the presence of an external URI further supports a suspicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URI indicate a likely attempt to trick the user into downloading a secondary malicious file.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9874

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.online/app/406889139/free-coins-coin-master-game-hack PDF link annotation
    • http://acquacleanpiscinas.com.br/images/ckfinder/files/coin-master-fan-page-free-spins_GM406889139.pdfIn PDF document text
    • http://acquacleanpiscinas.com.br/images/ckfinder/files/free-roblox-accounts-generator_GM431946152.pdfIn PDF document text
    • http://acquacleanpiscinas.com.br/images/ckfinder/files/coin-master-hack-app_GM406889139.pdfIn PDF document text
    • http://acquacleanpiscinas.com.br/images/ckfinder/files/coin-master-free-spins-through-coin-pop_GM406889139.pdfIn PDF document text
    • http://acquacleanpiscinas.com.br/images/ckfinder/files/daily-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://acquacleanpiscinas.com.br/images/ckfinder/files/free-robux-codes_GM431946152.pdfIn PDF document text
    • http://acquacleanpiscinas.com.br/images/ckfinder/files/minecraft-free-ios-2021_GM479516143.pdfIn PDF document text
    • http://acquacleanpiscinas.com.br/images/ckfinder/files/coin-master-free-coins-and-spins-2021_GM406889139.pdfIn PDF document text
    • http://acquacleanpiscinas.com.br/images/ckfinder/files/how-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://acquacleanpiscinas.com.br/images/ckfinder/files/robux-generator-without-human-verification_GM431946152.pdfIn PDF document text
    • http://acquacleanpiscinas.com.br/images/ckfinder/files/minecraft-classic-free_GM479516143.pdfIn PDF document text
    • http://acquacleanpiscinas.com.br/images/ckfinder/files/hack-coin-master-xyz_GM406889139.pdfIn PDF document text
    • http://acquacleanpiscinas.com.br/images/ckfinder/files/free-robux-apps-that-work_GM431946152.pdfIn PDF document text
    • http://acquacleanpiscinas.com.br/images/ckfinder/files/free-robux-giveaway-live_GM431946152.pdfIn PDF document text
    • http://acquacleanpiscinas.com.br/images/ckfinder/files/coin-master-unlimited-spin-link_GM406889139.pdfIn PDF document text
    • http://acquacleanpiscinas.com.br/images/ckfinder/files/robux-no-verification_GM431946152.pdfIn PDF document text
    • http://acquacleanpiscinas.com.br/images/ckfinder/files/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://acquacleanpiscinas.com.br/images/ckfinder/files/rbx-land-free-robux_GM431946152.pdfIn PDF document text
    • http://acquacleanpiscinas.com.br/images/ckfinder/files/how-much-tiktok-free-view-creator-fund_GM835599320.pdfIn PDF document text
    • http://acquacleanpiscinas.com.br/images/ckfinder/files/how-to-get-free-robux-on-roblox_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_off00004eb9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4EB9 24260 bytes
SHA-256: 30ebdee82f23dfc9a26bfdcce8812dd5c8a7f723ac0c887752698ac35b2e4ce9
font_01_sfnt_off00008617.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8617 17712 bytes
SHA-256: fd51fa1b849cf95139b510f282bcd47e41e352499df1938c7ca947a320e7b070

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