Malicious PDF — malware analysis report

Static analysis result for SHA-256 fcdf5ccf5c4a7e7a…

MALICIOUS

PDF

44.5 KB Created: 2021-05-13 00:02:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: e2f7b7055d2f51eac45ed8b7971defd4 SHA-1: a64bf974073c87db1a3eccbfcb722096f41c9105 SHA-256: fcdf5ccf5c4a7e7aa0c287ade2291ee993f06b163a0879101d7da7a1dc249116
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links and a visual download button, directing users to external URLs that are flagged as malicious redirectors. The document body and embedded links suggest a lure for downloading a "Coin Master" hack, which is a common tactic for distributing malware. The presence of multiple malicious redirector links indicates a high likelihood of this document being used to deliver a malicious payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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-3.2-hack-apk-download-game-hack In PDF document text
    • http://g3galileo.com/images/free-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://g3galileo.com/images/how-to-get-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://g3galileo.com/images/best-free-spin-app-for-coin-master_GM406889139.pdfIn PDF document text
    • http://g3galileo.com/images/free-roblox-groups-with-funds_GM431946152.pdfIn PDF document text
    • http://g3galileo.com/images/the-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://g3galileo.com/images/minecraft-free-trial_GM479516143.pdfIn PDF document text
    • http://g3galileo.com/images/free-robux-no-password_GM431946152.pdfIn PDF document text
    • http://g3galileo.com/images/free-robux-no-survey-or-human-verification_GM431946152.pdfIn PDF document text
    • http://g3galileo.com/images/how-to-get-daily-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://g3galileo.com/images/how-to-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://g3galileo.com/images/coin-master-hacked-apk-download-for-android_GM406889139.pdfIn PDF document text
    • http://g3galileo.com/images/robloxbux-us-generator_GM431946152.pdfIn PDF document text
    • http://g3galileo.com/images/how-to-get-free-robux-without-any-verification_GM431946152.pdfIn PDF document text
    • http://g3galileo.com/images/free-robux-apps-that-work_GM431946152.pdfIn PDF document text
    • http://g3galileo.com/images/minecraft-free-android_GM479516143.pdfIn PDF document text
    • http://g3galileo.com/images/how-to-get-free-minecraft-windows-10_GM479516143.pdfIn PDF document text
    • http://g3galileo.com/images/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://g3galileo.com/images/coin-master-hack-app-ios-download_GM406889139.pdfIn PDF document text
    • http://g3galileo.com/images/how-to-get-free-chest-in-coin-master_GM406889139.pdfIn PDF document text
    • http://g3galileo.com/images/wurst-mc_GM479516143.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_off00004cb7.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4CB7 26688 bytes
SHA-256: 5de2253fda26159283a32470fc66530bb0c67ad68c1f33ec1adf4bb87cc441de
font_01_sfnt_off00008a0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A0A 18836 bytes
SHA-256: a2a09b45cdc42cc034e3f60c55065a9e451be26fa19dd9174d2e19d5be880ab5

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