Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f1f5e9138c2fde0…

MALICIOUS

PDF

42.5 KB Created: 2021-05-13 12:06:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 9ac529870ee884159be1bfe30471cd9f SHA-1: 41050e20dc6a83ff86a1c54b093c6dce98599784 SHA-256: 0f1f5e9138c2fde0e6f8ee9c03ef95d1eba6703e35317a5ae0cc74b3b5ebd0b6
82 Risk Score

Malware Insights

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

The PDF contains embedded URLs and a visual lure suggesting a download or free item offer, impersonating Microsoft to trick users. The ML classifier strongly indicates maliciousness, and the external URLs point to potential malware distribution or phishing sites. No scripts were extracted, but the document's structure and embedded links suggest it's designed to lead the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/479516143/minecraft-java-free-account-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/479516143/minecraft-java-free-account-game-hack PDF link annotation
    • http://getthelook-bkk.com/images/coin-master-hack-tool-ios_GM406889139.pdfIn PDF document text
    • http://getthelook-bkk.com/images/coin-master-hack-2021-android_GM406889139.pdfIn PDF document text
    • http://getthelook-bkk.com/images/minecraft-windows-10-free-code_GM479516143.pdfIn PDF document text
    • http://getthelook-bkk.com/images/how-to-get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://getthelook-bkk.com/images/links-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://getthelook-bkk.com/images/free-coins-and-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://getthelook-bkk.com/images/rbxoffers-com-free-robux_GM431946152.pdfIn PDF document text
    • http://getthelook-bkk.com/images/download-hacked-games-com-coin-master_GM406889139.pdfIn PDF document text
    • http://getthelook-bkk.com/images/how-to-get-free-spins-on-coin-master-android_GM406889139.pdfIn PDF document text
    • http://getthelook-bkk.com/images/robux-in_GM431946152.pdfIn PDF document text
    • http://getthelook-bkk.com/images/how-to-get-free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://getthelook-bkk.com/images/robux-come_GM431946152.pdfIn PDF document text
    • http://getthelook-bkk.com/images/how-do-you-get-free-food-on-coin-master_GM406889139.pdfIn PDF document text
    • http://getthelook-bkk.com/images/funbloxxyz-free-robux_GM431946152.pdfIn PDF document text
    • http://getthelook-bkk.com/images/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
    • http://getthelook-bkk.com/images/how-to-hack-to-get-robux_GM431946152.pdfIn PDF document text
    • http://getthelook-bkk.com/images/best-minecraft-hacked-client-2021_GM479516143.pdfIn PDF document text
    • http://getthelook-bkk.com/images/free-dominus-roblox_GM431946152.pdfIn PDF document text
    • http://getthelook-bkk.com/images/free-robux-no-verification-2021-android_GM431946152.pdfIn PDF document text
    • http://getthelook-bkk.com/images/free-robux-generator-no-human-verification-2021_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_off00004b17.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4B17 25368 bytes
SHA-256: 49532db160f9c45342514fd34c91db99bf15c816087a17e71897b86405c1d25c
font_01_sfnt_off0000841e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x841E 18128 bytes
SHA-256: 787ae5aa2fe8ee3e05b40f55ac2adb21d77115e18bda7782f632936ac93a1380

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