Malicious PDF — malware analysis report

Static analysis result for SHA-256 e456ca6761f60459…

MALICIOUS

PDF

45.7 KB Created: 2021-05-17 04:08:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: a50a1c5b9ee92bee88c6d6f286c408de SHA-1: f55434791732d2f042d8733ce155df29072d81e8 SHA-256: e456ca6761f60459978cb46d32ca5051b023ed96008c7f379106d53f7e57e345
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple embedded URLs and a primary external URI pointing to a site offering free game-related content, likely as a lure. The ML classifier strongly flagged this PDF as malicious, and the presence of download-related text and callback lures suggests a phishing or scam attempt. While no scripts were directly extracted, the PDF structure and embedded links indicate an attempt to redirect the user to a malicious download or phishing page.

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 https://netcdn.xyz/app/479516143/how-to-get-minecraft-for-free-on-ps4-game-hack
    • https://adventureglaciertreks.com/userfiles/files/offers-to-complete-and-get-free-spins-in-coin-master_GM406889139.pdf
    • https://adventureglaciertreks.com/userfiles/files/how-to-get-minecraft-for-free-on-ipad_GM479516143.pdf
    • https://adventureglaciertreks.com/userfiles/files/free-robux-android_GM431946152.pdf
    • https://adventureglaciertreks.com/userfiles/files/minecraft-java-edition-free_GM479516143.pdf
    • https://adventureglaciertreks.com/userfiles/files/roblox-old-avatar_GM431946152.pdf
    • https://adventureglaciertreks.com/userfiles/files/coin-master-fan-club_GM406889139.pdf
    • https://adventureglaciertreks.com/userfiles/files/80-free-spins-coin-master_GM406889139.pdf
    • https://adventureglaciertreks.com/userfiles/files/best-way-to-get-free-robux_GM431946152.pdf
    • https://adventureglaciertreks.com/userfiles/files/roblox-hack-me-robux_GM431946152.pdf
    • https://adventureglaciertreks.com/userfiles/files/free-coin-master-hack-no-verification_GM406889139.pdf
    • https://adventureglaciertreks.com/userfiles/files/coin-master-claim-spins_GM406889139.pdf
    • https://adventureglaciertreks.com/userfiles/files/free-robux-no-offers_GM431946152.pdf
    • https://adventureglaciertreks.com/userfiles/files/coin-master-game-hack_GM406889139.pdf
    • https://adventureglaciertreks.com/userfiles/files/daily-coin-master-free_GM406889139.pdf
    • https://adventureglaciertreks.com/userfiles/files/coin-master-hack-apk-download-for-android-mobile_GM406889139.pdf
    • https://adventureglaciertreks.com/userfiles/files/how-to-gift-robux-on-mobile_GM431946152.pdf
    • https://adventureglaciertreks.com/userfiles/files/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdf
    • https://adventureglaciertreks.com/userfiles/files/minecraft-reach-hack_GM479516143.pdf
    • https://adventureglaciertreks.com/userfiles/files/how-to-get-robux-for-free-2021_GM431946152.pdf
    • https://adventureglaciertreks.com/userfiles/files/game-hack-coin-master_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004b32.bin
16ec74964508fba1cf546f866235f029c6b9f8ee846f7ada0cbb7b5822bebf59		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4B32 31688 bytes
font_01_sfnt_off0000914b.bin
3c584cfdb2e84eddbd4369948c7cb3512903decb89ab4dae7c156f2377516814		 pdf-font-stream PDF embedded font (sfnt) at offset 0x914B 18088 bytes

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