Malicious PDF — malware analysis report

Static analysis result for SHA-256 47da142fa2df5909…

MALICIOUS

PDF

45.3 KB Created: 2021-05-11 16:09:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 32f2d36d5c7b72f02a9d554965ffb4d6 SHA-1: bd7058110aafd014cef308e18e862d0ac628b80f SHA-256: 47da142fa2df590931d3b195e75964e7ba5f886d528d9aa5f823fa6c89565f46
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.001 User Execution: Malicious Link

The PDF document contains a lure for a "Coin Master Spin Hack" and impersonates the brand UPS. It directs users to click on a link hosted on `netcdn.xyz`, which is a strong indicator of a phishing or malware distribution attempt. The presence of embedded URLs and the ML classifier's high confidence score support this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9551

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: https://netcdn.xyz/app/406889139/coin-master-spin-hack-no-verification-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 https://netcdn.xyz/app/406889139/coin-master-spin-hack-no-verification-game-hack PDF link annotation
    • http://www.ipsiagmarconi.it/images/google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.ipsiagmarconi.it/images/coin-master-free-coins-link-2021_GM406889139.pdfIn PDF document text
    • http://www.ipsiagmarconi.it/images/coin-master-free-spins-hack-but-no-surveys_GM406889139.pdfIn PDF document text
    • http://www.ipsiagmarconi.it/images/free-robux-codes-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://www.ipsiagmarconi.it/images/roblox-script-hacks_GM431946152.pdfIn PDF document text
    • http://www.ipsiagmarconi.it/images/coin-master-hack-2021-link_GM406889139.pdfIn PDF document text
    • http://www.ipsiagmarconi.it/images/roblox-download-pc-free_GM431946152.pdfIn PDF document text
    • http://www.ipsiagmarconi.it/images/114-hacks_GM479516143.pdfIn PDF document text
    • http://www.ipsiagmarconi.it/images/coin-master-invite-friends-hack_GM406889139.pdfIn PDF document text
    • http://www.ipsiagmarconi.it/images/roblox-no-download-hack_GM431946152.pdfIn PDF document text
    • http://www.ipsiagmarconi.it/images/coin-master-coin-hack_GM406889139.pdfIn PDF document text
    • http://www.ipsiagmarconi.it/images/how-to-get-free-premium-roblox_GM431946152.pdfIn PDF document text
    • http://www.ipsiagmarconi.it/images/roblox-report-hacker_GM431946152.pdfIn PDF document text
    • http://www.ipsiagmarconi.it/images/free-spins-on-coin-master-game_GM406889139.pdfIn PDF document text
    • http://www.ipsiagmarconi.it/images/free-daily-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.ipsiagmarconi.it/images/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://www.ipsiagmarconi.it/images/how-to-hack-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • http://www.ipsiagmarconi.it/images/master-coin-free-spin-daily_GM406889139.pdfIn PDF document text
    • http://www.ipsiagmarconi.it/images/roblox-promo-codes-free-robux_GM431946152.pdfIn PDF document text
    • http://www.ipsiagmarconi.it/images/free-roblox-adopt-me-pets_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a35.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A35 24972 bytes
SHA-256: 92e49506add98f4adc94993ab0ddda68b9cbac2bfa9a17e12c41a98fe5180fe7
font_01_sfnt_off000083d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83D9 3400 bytes
SHA-256: 4b3e0f36ad1e0c7e3ea5c178fd2b4f097d1e01575fc6a4101a8b520db34dfe07
font_02_sfnt_off00008f02.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F02 18028 bytes
SHA-256: 2de0e9c41ce50443ccbc7b49ff620d9d14c87888ef748e70805f38b18b312090

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