Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e02c2b7a67087c2…

MALICIOUS

PDF

43.7 KB Created: 2021-06-03 10:15:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: a0b0369510c0b7de1aeabf40f2486e38 SHA-1: 168decd2b74254ea401609c053fafccfef7a1508 SHA-256: 9e02c2b7a67087c2612a5905a562438fba2d2ecee8ef2594d3a1f585b30665d2
62 Risk Score

Malware Insights

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

The PDF document contains lures related to popular games like Roblox and Coin Master, suggesting a social engineering attack. It includes a prominent external URI pointing to a potential malware download, and the ML classifier strongly flagged it as malicious. The presence of a visual download button and callback lure further supports a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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/431946152/free-admin-roblox-game-hack PDF link annotation
    • http://pustaka.bbppketindan.info/repository/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/coin-master-332-apk-free-download_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/coin-master-hack-online-link_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/free-rare-cards-for-coin-master-christmas_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/coin-master-claim-spins_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/roblox-free-robux-website_GM431946152.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/coin-master-free-spins-link-today-ios_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/daily-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/blogspot-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/freespinandcoin_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/minecraft-pocket-edition-download-free-pe-calculator_GM479516143.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/free-spin-card-exchange-coin-master_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/get-gold-coin-master-village-hack_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/how-to-get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/where-can-i-get-free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/free-minecraft-com_GM479516143.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/free-minecraft-java-code_GM479516143.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/is-minecraft-free-on-switch_GM479516143.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/coin-master-hack-tool-2021_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004f14.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F14 24496 bytes
SHA-256: 283cabccb18cac6a2b2d7f64a362892ebe5f5e787ad27d6b20d48b8d864b3d91
font_01_sfnt_off00008786.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8786 18504 bytes
SHA-256: 830d3dec1a52b5677d0ce8f7274f803060246143ae3edd9314b7ddd4a581007c

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