Malicious PDF — malware analysis report

Static analysis result for SHA-256 abbc7eaeccdb4457…

MALICIOUS

PDF

35.0 KB Created: 2021-07-02 07:05:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 57b1f4ba460ff9db71314b60d2423cab SHA-1: abfc2ed7b8269b60e7da9e8cef937559624a2d79 SHA-256: abbc7eaeccdb44579aa6ca2ceb9dc5e2ad44eb3e5ce9020744778d97f7833652
82 Risk Score

Malware Insights

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

This PDF document was flagged by an ML classifier as malicious. It contains embedded URLs and a document body that impersonates Microsoft to lure users into clicking a link related to Roblox cheats. The presence of multiple suspicious URLs suggests a phishing or malware distribution attempt. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
    Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: http://netcdn.co/app/431946152/how-to-cheat-on-roblox-code-game-hack.
  • 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/how-to-cheat-on-roblox-code-game-hack PDF link annotation
    • http://balitgetas.co.id/pustaka/repository/roblox-how-to-get-25-robux-for-free_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/coin-master-free-spins-bit-ly_GM406889139.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/roblox-group-free-robux_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/roblox-hacking-script-hub_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/diamond-hack-roblox-royale-high_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/roblox-hacks-for-bloxburg_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/free-account-with-limited-roblox_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/jailbreak-roblox-hack_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/coin-master-hacks-no-human-verification_GM406889139.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/how-to-get-free-knives-in-assassin-roblox_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/coin-master-hack-app-for-iphone_GM406889139.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/free-coins-and-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/coin-master-on-facebook_GM406889139.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/free-roblox-accounts-with-robux-2021_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/free-robux-generator-2021-download_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/how-to-get-free-robux-on-roblox-august-2021_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/how-to-hack-coin-master-using-es-file_GM406889139.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/free-robux-on-ipad_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/how-to-get-free-robux-easy_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
font_00_sfnt_off0000313b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x313B 22600 bytes
SHA-256: ea42d0ecc84649e8f55f27b3d5824a9a6008f0d47466ac9a56de3b2f9a8f28ed
font_01_sfnt_off00006391.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6391 19092 bytes
SHA-256: 9ef794340284cbc1d2594fa299fd1dec380f2dea0f9a4a94b887381f03fc0659

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