Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e4583da59ce8048…

MALICIOUS

PDF

34.6 KB Created: 2021-06-22 21:00:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 2d7243883d5d27a62368fa05311343f7 SHA-1: ae2d367d334915c90a3571e703a0194fe0044eab SHA-256: 0e4583da59ce80487f00755b0389f272019198f0c8782c9fc94fde4ae90095c1
62 Risk Score

Malware Insights

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

The document contains multiple embedded URLs and a call-to-action phrase, strongly suggesting it is designed to trick users into downloading a malicious file. The ML classifier also flagged this PDF with high confidence. The primary lure appears to be related to obtaining free in-game currency or hacks for games like Roblox.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/free-tbc-upgrade-roblox-game-hack
    • http://pia2000.net/images/roblox-lost-game-hack-script_GM431946152.pdf
    • http://pia2000.net/images/minecraft-reach-hack_GM479516143.pdf
    • http://pia2000.net/images/how-to-get-free-robux-from-bloxmarket_GM431946152.pdf
    • http://pia2000.net/images/how-to-teleport-hack-in-roblox-jailbreak-2021-download_GM431946152.pdf
    • http://pia2000.net/images/how-tzo-hack-robux-links_GM431946152.pdf
    • http://pia2000.net/images/minecraft-windows-free_GM479516143.pdf
    • http://pia2000.net/images/how-to-hack-roblox-accounts-on-phone_GM431946152.pdf
    • http://pia2000.net/images/how-to-get-free-robux-com_GM431946152.pdf
    • http://pia2000.net/images/free-roblox-svg_GM431946152.pdf
    • http://pia2000.net/images/roblox-exploit-visenya-free_GM431946152.pdf
    • http://pia2000.net/images/best-level-7-free-script-injectors-roblox_GM431946152.pdf
    • http://pia2000.net/images/how-to-hack-peoples-account-on-roblox_GM431946152.pdf
    • http://pia2000.net/images/coin-master-heaven-free-spins_GM406889139.pdf
    • http://pia2000.net/images/hack-coin-master-pc_GM406889139.pdf
    • http://pia2000.net/images/coin-master-free-spins--spins_GM406889139.pdf
    • http://pia2000.net/images/minecraft-pe-hack-client-ios_GM479516143.pdf
    • http://pia2000.net/images/websites-that-give-free-robux_GM431946152.pdf
    • http://pia2000.net/images/robux-cheat_GM431946152.pdf
    • http://pia2000.net/images/free-roblox-download-ps3_GM431946152.pdf
    • http://pia2000.net/images/how-to-get-free-faces-on-roblox_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002efd.bin
8679e414ce96653c17cf11905e1f05b111421a048647b72f6ffcf48ef4ae8294		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2EFD 22868 bytes
font_01_sfnt_off00006270.bin
2a441b6605512c0002d33d2bb480973e0abd6df6d9994a64bab174fa10fac6f7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6270 19000 bytes

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