Malicious PDF — malware analysis report

Static analysis result for SHA-256 d13a341f5dfd1bcf…

MALICIOUS

PDF

34.1 KB Created: 2021-06-19 02:52:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: b14a7735fcb5840f08b59bd11685abdb SHA-1: 40181755e79208f593fde3f9795c86218ed8f8d0 SHA-256: d13a341f5dfd1bcf30e59e63b85bc63d903e3063be630c721b7a3fb88e7c2528
62 Risk Score

Malware Insights

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

The PDF document contains numerous embedded URLs and text related to Roblox game hacks and cheats, indicating a lure to download malicious content. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs suggests an attempt to redirect the user to a download site. The document's content and heuristics point towards a phishing or scam attempt to trick users into executing malicious scripts.

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/431946152/2021-hack-script-roblox-game-hack PDF link annotation
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/roblox-superhero-tycoon-cheats_GM431946152.pdfIn PDF document text
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/dbzfs-roblox-hack_GM431946152.pdfIn PDF document text
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/how-to-get-free-bc-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/free-robux-with-email_GM431946152.pdfIn PDF document text
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/free-hiring-scripters-roblox_GM431946152.pdfIn PDF document text
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/roblox-hack-script-pastebin_GM431946152.pdfIn PDF document text
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/money-script-roblox-hack_GM431946152.pdfIn PDF document text
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/roblox-tokyo-ghoul-bloody-nights-hack_GM431946152.pdfIn PDF document text
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/como-hackear-en-roblox_GM431946152.pdfIn PDF document text
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/assassins-creed-cheat-codes-roblox_GM431946152.pdfIn PDF document text
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/free-views-tiktok_GM835599320.pdfIn PDF document text
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/how-to-hack-someone-on-roblox_GM431946152.pdfIn PDF document text
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/roblox-how-to-get-everything-free-in-the-ca_GM431946152.pdfIn PDF document text
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/account-stealing-hack-roblox-pastebin_GM431946152.pdfIn PDF document text
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/cheat-aimbot-roblox-mdiafire_GM431946152.pdfIn PDF document text
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/roblox-cheat-gdn_GM431946152.pdfIn PDF document text
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/accounts-for-roblox-free-and-nothing-on-them_GM431946152.pdfIn PDF document text
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/how-to-get-roblox-animations-for-free_GM431946152.pdfIn PDF document text
    • http://test.xdialogue.nl/wp-content/uploads/fsqm-files/coin-master-free-2021-spin-link_GM406889139.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
font_00_sfnt_off00002feb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FEB 21564 bytes
SHA-256: 185497139dbfde2573ff621e0cc0487c8add92c4b87adf93954df53975cbc51d
font_01_sfnt_off00005f6a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F6A 19272 bytes
SHA-256: ca75451fc702361a0af866ecd9146147a345595872cb514feea6c55862540b5c

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