Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f0d7bcdda3c4e96…

MALICIOUS

PDF

42.9 KB Created: 2021-05-14 13:05:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-08-25
MD5: 92653633ae4d79b1ec223d704f0966ca SHA-1: e3ae294b8d7b8431a81b5173cb5ceb091cdf2cda SHA-256: 8f0d7bcdda3c4e9675ffd9661b4bfcf4efbcfeacb19bafc3464788af35b55ef9
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains a malicious redirector link disguised as a download for 'Minecraft 1.16 Free Download'. The embedded URL, https://netcdn.xyz/app/479516143/minecraft-1.16-free-download-game-hack, is known to lead to malicious infrastructure. The presence of a visual download button and the ML classifier's high confidence score further support its malicious nature, likely serving as a lure for malware or unwanted software.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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) or Microsoft license-boilerplate 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
  • 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-1.16-free-download-game-hack In PDF document text
    • http://centuriatus.com/images/cm-daily-spins_GM406889139.pdfIn PDF document text
    • http://centuriatus.com/images/how-to-get-minecraft-pe-for-free_GM479516143.pdfIn PDF document text
    • http://centuriatus.com/images/how-do-you-get-roebucks-for-free_GM431946152.pdfIn PDF document text
    • http://centuriatus.com/images/play-full-version-of-minecraft-for-free-no-download_GM479516143.pdfIn PDF document text
    • http://centuriatus.com/images/free-coin-master-hacks-no-verification_GM406889139.pdfIn PDF document text
    • http://centuriatus.com/images/easy-robux-hack_GM431946152.pdfIn PDF document text
    • http://centuriatus.com/images/roblox-online-free_GM431946152.pdfIn PDF document text
    • http://centuriatus.com/images/free-robux-sites-2021_GM431946152.pdfIn PDF document text
    • http://centuriatus.com/images/get-coin-master-spins-free_GM406889139.pdfIn PDF document text
    • http://centuriatus.com/images/mcmaster-club-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://centuriatus.com/images/coin-master-villages_GM406889139.pdfIn PDF document text
    • http://centuriatus.com/images/roblox-source_GM431946152.pdfIn PDF document text
    • http://centuriatus.com/images/how-to-hack-roblox-accounts-on-phone_GM431946152.pdfIn PDF document text
    • http://centuriatus.com/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://centuriatus.com/images/give-me-robux-now_GM431946152.pdfIn PDF document text
    • http://centuriatus.com/images/coin-master-hack-trick-2021_GM406889139.pdfIn PDF document text
    • http://centuriatus.com/images/can-i-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
    • http://centuriatus.com/images/coin-master-hack-pro-gamers_GM406889139.pdfIn PDF document text
    • http://centuriatus.com/images/how-to-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://centuriatus.com/images/sites-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a48.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A48 25640 bytes
SHA-256: 8ac25970b555544a1e967124b8c3f76a59207fd3e95bfe3b33c70a85df39eb02
font_01_sfnt_off0000846a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x846A 18628 bytes
SHA-256: 0e8b49a0fd1b3c410e06b9d1dbb2d3e902ee20fcf98882da412ea2fefe7e2ea5

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