Malicious PDF — malware analysis report

Static analysis result for SHA-256 957a569ca582c058…

MALICIOUS

PDF

41.9 KB Created: 2021-05-11 18:02:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: c31d55a40840f079ae46e0e333e37795 SHA-1: a4bc399f53ec6fa802a7cbd2d0f42525742706fb SHA-256: 957a569ca582c058dfe4fbe2d6a3aca09e948a581f9a7eb0279e71bef73cb526
62 Risk Score

Malware Insights

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

The PDF document contains multiple embedded URLs and a visual download lure, suggesting an attempt to trick the user into downloading further malicious content. The ML classifier also flagged this PDF as malicious with high confidence. The document body's content and the presence of external URIs indicate a phishing or scam attempt, likely related to game hacks or cheats.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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.xyz/app/479516143/best-hacked-client-game-hack
    • http://warehousewestllc.com/images/coin-master-hack-spin-generator_GM406889139.pdf
    • http://warehousewestllc.com/images/complete-offers-for-robux_GM431946152.pdf
    • http://warehousewestllc.com/images/free-robux-hack-generator_GM431946152.pdf
    • http://warehousewestllc.com/images/free-daily-coin-master-coins_GM406889139.pdf
    • http://warehousewestllc.com/images/claim-free-spins-coin-master_GM406889139.pdf
    • http://warehousewestllc.com/images/como-conseguir-monedas-infinitas-y-tiradas-de-coin-master-hack_GM406889139.pdf
    • http://warehousewestllc.com/images/coin-master-hacks-xyz_GM406889139.pdf
    • http://warehousewestllc.com/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdf
    • http://warehousewestllc.com/images/how-to-hack-roblox-accounts-on-phone-2021_GM431946152.pdf
    • http://warehousewestllc.com/images/coin-master-strategy_GM406889139.pdf
    • http://warehousewestllc.com/images/coin-master-free-spins-link_GM406889139.pdf
    • http://warehousewestllc.com/images/free-spin-coin-master-hack-2021_GM406889139.pdf
    • http://warehousewestllc.com/images/free-coins-and-spins-link-for-coin-master_GM406889139.pdf
    • http://warehousewestllc.com/images/how-to-hack-people-on-roblox_GM431946152.pdf
    • http://warehousewestllc.com/images/free-robux-survey_GM431946152.pdf
    • http://warehousewestllc.com/images/roblox-robux-hack-generator_GM431946152.pdf
    • http://warehousewestllc.com/images/how-do-you-get-roblox-for-free_GM431946152.pdf
    • http://warehousewestllc.com/images/free-robux-real-2021_GM431946152.pdf
    • http://warehousewestllc.com/images/my-roblox-avatar_GM431946152.pdf
    • http://warehousewestllc.com/images/get-free-robux-without-human-verification_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004803.bin
b29667fcaa696fcf858b76a9a53c8bbcba7c4788a991916c37e1f9f23898445b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4803 25044 bytes
font_01_sfnt_off000081ee.bin
433705e2a5b000201a89731af92cc6a86737b8d7ef1f7f9bc153edc0cbe11e57		 pdf-font-stream PDF embedded font (sfnt) at offset 0x81EE 18200 bytes

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