Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd3f6fe9ee2a6557…

MALICIOUS

PDF

34.6 KB Created: 2021-07-04 09:00:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: e6691a4853bb22a853b61cf9e5f93ef5 SHA-1: b55ce96761aecb39044a94bfa90302bdbc1f221b SHA-256: cd3f6fe9ee2a6557f8dc3c450770c7195e88c9a7b4c4e124788e7268813a0d25
62 Risk Score

Malware Insights

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

The document contains numerous embedded URLs pointing to sites offering game hacks and cheats, strongly suggesting a phishing or malware distribution attempt. The ML classifier also flagged this PDF as malicious with high confidence. The presence of a download button lure and callback phishing pretext further supports a malicious intent to trick users into downloading or interacting with harmful content.

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.tw/app/431946152/easy-roblox-today-game-hack PDF link annotation
    • http://shoruq.sch.ae/userfiles/files/free-heads-in-roblox_GM431946152.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/my-roblox-account-has-been-hacked-and-changed-my-email_GM431946152.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/free-robux-come_GM431946152.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/roblox-robux-hack_GM431946152.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/roblox-jailbreak-new-hack_GM431946152.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/roblox-deadzone-remade-hack_GM431946152.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/minecraft-free-download-ios_GM479516143.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/roblox-accont-hacking_GM431946152.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/coin-master-hack-android-no-root_GM406889139.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/coin-master-hack-tool-india_GM406889139.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/how-to-hack-roblox-accounts-on-iphone_GM431946152.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/how-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/coin-master-hack-2021-apk-download_GM406889139.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/how-to-get-minecraft-windows-10-for-free-with-java_GM479516143.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/free-robux-instant-inspect-element_GM431946152.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/free-robux-only-1-step_GM431946152.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/how-to-get-free-spins-and-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/roblox-jjsploit-money-hack-any-game_GM431946152.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://shoruq.sch.ae/userfiles/files/roblox-high-school-how-to-fly-for-free_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_off0000322e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x322E 21944 bytes
SHA-256: 043f6d7f6c3d8bc92d945336cf0577aead2dd9b9e896a62d14aca00f8d13e779
font_01_sfnt_off000062c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62C3 18840 bytes
SHA-256: b3bd375acba33e77ee22fe000258108f1e95af5de1f32840daa69e2e54d0cbf0

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