PDF static analysis report

Static analysis result for SHA-256 73bf05ae15663695…

SUSPICIOUS

PDF

35.1 KB Created: 2021-07-05 08:29:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: f5cd3f814e4f982447427031e8884c80 SHA-1: 93f6b5ba530da9f2ae3576a683538f9d99fad099 SHA-256: 73bf05ae15663695e0fbba68d3e6a39ec931191614283a95aec6af6226a2aee3
42 Risk Score

Malware Insights

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

The PDF document contains an embedded URL and text explicitly promoting a "Coin Master Hack App" and providing a download link. This strongly suggests a social engineering lure designed to trick users into downloading potentially unwanted or malicious software. The ML classifier also flagged this PDF with high confidence.

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 http://netcdn.tw/app/406889139/coin-master-hack-app-game-hack PDF link annotation
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/robux-no-survey-hack_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/boost9-com-roblox-hack_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/minecraft-free-ios-no-verification_GM479516143.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/roblox-generator_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/minecraft-free-trial_GM479516143.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/free-minecraft-alts_GM479516143.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/free-coin-master-spins-and-coins_GM406889139.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/coin-master-hack-apk-2021-download_GM406889139.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/hack-of-roblox_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/roblox-how-to-put-gear-on-free_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/free-robux-codes-december-2021_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/worst-roblox-avatars_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/free-robux-no-verification-2021-android_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/how-do-you-get-free-builders-club-in-roblox_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/rblx-city-free-robux_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/free-pet-snacks-coin-master_GM406889139.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/free-links-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/coin-master-hack-download_GM406889139.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/minecraft-pe-hacks_GM479516143.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/hacks-for-treasure-quest-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_002_off000033d5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x33D5 22832 bytes
SHA-256: 8beba2364128b8e78fee9a418fdafe9e1c498be54e907c28c8a07ae5cf323877
font_01_sfnt_off000066dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66DC 18180 bytes
SHA-256: 5b637a8a036eab97bffff91a515cae84fc40b6bddd589e778cc2e69a12b03167

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