Malicious PDF — malware analysis report

Static analysis result for SHA-256 60c8d86568dbcc37…

MALICIOUS

PDF

45.1 KB Created: 2021-06-03 08:53:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 226d40c2202ab2223a8b071ec3c48327 SHA-1: 5e2f6bb697fd97355c11dbabecf666bd9fbb3c53 SHA-256: 60c8d86568dbcc373b3c57211cc7397f825921fdea41c841417e0faa0dbcc5d4
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains embedded URLs and a document body that explicitly discusses hacking online game accounts, suggesting a lure to download malicious content. The ML classifier also flagged this PDF as malicious. The presence of multiple URLs pointing to game-related content indicates 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/how-to-hack-roblox-accounts-on-phone-game-hack
    • http://library.fikes.upnvj.ac.id/repository/avatar-roblox-game_GM431946152.pdf
    • http://library.fikes.upnvj.ac.id/repository/cm-daily-spins_GM406889139.pdf
    • http://library.fikes.upnvj.ac.id/repository/oprewards-free-robux_GM431946152.pdf
    • http://library.fikes.upnvj.ac.id/repository/free-spin-coin-master-2021_GM406889139.pdf
    • http://library.fikes.upnvj.ac.id/repository/coin-master-free-spins-and-coins-daily_GM406889139.pdf
    • http://library.fikes.upnvj.ac.id/repository/how-to-get-free-robux-without-verification-2021_GM431946152.pdf
    • http://library.fikes.upnvj.ac.id/repository/minecraft-iphone-free_GM479516143.pdf
    • http://library.fikes.upnvj.ac.id/repository/minecraft-pe-015-0-apk-free-download_GM479516143.pdf
    • http://library.fikes.upnvj.ac.id/repository/whats-robux_GM431946152.pdf
    • http://library.fikes.upnvj.ac.id/repository/how-to-hack-robux_GM431946152.pdf
    • http://library.fikes.upnvj.ac.id/repository/free-roblox-adopt-me-pets_GM431946152.pdf
    • http://library.fikes.upnvj.ac.id/repository/coin-master-hack-pro-gamers_GM406889139.pdf
    • http://library.fikes.upnvj.ac.id/repository/coin-master-hack-spin-link_GM406889139.pdf
    • http://library.fikes.upnvj.ac.id/repository/free-promo-codes-for-robux_GM431946152.pdf
    • http://library.fikes.upnvj.ac.id/repository/coin-master-free-spins-save_GM406889139.pdf
    • http://library.fikes.upnvj.ac.id/repository/daily-free-spins-coin-master-2021_GM406889139.pdf
    • http://library.fikes.upnvj.ac.id/repository/free-spins-on-coin-master-links-2021_GM406889139.pdf
    • http://library.fikes.upnvj.ac.id/repository/roblox-download_GM431946152.pdf
    • http://library.fikes.upnvj.ac.id/repository/how-to-get-free-robux-2021_GM431946152.pdf
    • http://library.fikes.upnvj.ac.id/repository/legit-coin-master-hack_GM406889139.pdf
    • https://www.communes.com
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004fb1.bin
a80aba226a8d1810ffc4ea3f254285778d3ab90005b245badc77f3bc22de9521		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4FB1 25792 bytes
font_01_sfnt_off00008bb4.bin
92714a2af62378a1839a0ba08facac9787f9fdc52ffb1ff0f3d5734c2bdfa821		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8BB4 18908 bytes

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