Malicious PDF — malware analysis report

Static analysis result for SHA-256 ccb321296e5ba2ea…

MALICIOUS

PDF

44.6 KB Created: 2021-05-17 00:08:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: da22273e2f749462f6a58a02712a1038 SHA-1: 76e3a55c2bc68bd7eda2634cc4cbf6d3c9537438 SHA-256: ccb321296e5ba2ea1465bb36460fc608e79f8907541e59f3650978872e1b5f50
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a prominent external URI pointing to a game hack download, suggesting a lure for potentially unwanted software or phishing. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of embedded URLs and the overall structure indicate an attempt to redirect the user to malicious content, likely related to game cheats or scams.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9632

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/minecraft-pe-game-hack
    • https://eurekaaccounting.co.za/images/free-robux-not-a-scam_GM431946152.pdf
    • https://eurekaaccounting.co.za/images/roblox-free-robux-codes_GM431946152.pdf
    • https://eurekaaccounting.co.za/images/minecraft-name-tag-hacks_GM479516143.pdf
    • https://eurekaaccounting.co.za/images/roblox-free-followers_GM431946152.pdf
    • https://eurekaaccounting.co.za/images/coin-master-free-pet-food_GM406889139.pdf
    • https://eurekaaccounting.co.za/images/can-u-get-free-robux_GM431946152.pdf
    • https://eurekaaccounting.co.za/images/no-scam-free-robux_GM431946152.pdf
    • https://eurekaaccounting.co.za/images/coin-master-free-spins-daily-link-updated_GM406889139.pdf
    • https://eurekaaccounting.co.za/images/coin-master-free-spin-link-app_GM406889139.pdf
    • https://eurekaaccounting.co.za/images/free-robux-no-password_GM431946152.pdf
    • https://eurekaaccounting.co.za/images/minecraft-free-download-iphone_GM479516143.pdf
    • https://eurekaaccounting.co.za/images/free-coin-master-cards-link_GM406889139.pdf
    • https://eurekaaccounting.co.za/images/coin-master-free-spins-ios-2021_GM406889139.pdf
    • https://eurekaaccounting.co.za/images/coin-master-free-spins-hack-no-human-verification_GM406889139.pdf
    • https://eurekaaccounting.co.za/images/coin-master-free-spins-heaven_GM406889139.pdf
    • https://eurekaaccounting.co.za/images/coin-master-free-spins_GM406889139.pdf
    • https://eurekaaccounting.co.za/images/coins-master_GM406889139.pdf
    • https://eurekaaccounting.co.za/images/how-to-get-free-spins-and-coins-in-coin-master_GM406889139.pdf
    • https://eurekaaccounting.co.za/images/robux-hack-free-robux_GM431946152.pdf
    • https://eurekaaccounting.co.za/images/free-robux-co_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a53.bin
be6da4a4ff66d5c436fa3302faef8d859317d34a70ff7d0930be69bdc4837c12		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A53 24716 bytes
font_01_sfnt_off00008378.bin
801f6fa60decd1add2f223f91580103c35e150c924465f86a7a572b3e00674f9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8378 3128 bytes
font_02_sfnt_off00008db8.bin
f2c518e24e430f5639c0522049ec6170810629e79e139cf24a514a2af733470f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8DB8 17724 bytes

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