Malicious PDF — malware analysis report

Static analysis result for SHA-256 e10dc91c8081bde1…

MALICIOUS

PDF

34.3 KB Created: 2021-07-04 22:55:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: fc0b49ae7507bec890ce41c3b5d35f15 SHA-1: 28122108602f67935a9428c7d24f7eb28c5fd401 SHA-256: e10dc91c8081bde1ed889f33fa6a919ee970903277274861736167b68f9271e1
62 Risk Score

Malware Insights

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

The PDF contains numerous embedded URLs and a call-to-action phrase, strongly suggesting a phishing or scam attempt. The ML classifier also flagged this PDF as malicious with high confidence. The document body and extracted URLs indicate a lure for free game items or downloads, likely leading to malware or further scams.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
    PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
  • 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/479516143/minecraft-free-download-pc-game-hack PDF link annotation
    • http://183.91.70.7//repository/robux-generator-no-verification-2021_GM431946152.pdfPDF link annotation
    • http://183.91.70.7/repository/how-to-get-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://183.91.70.7//repository/how-to-download-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://183.91.70.7/repository/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://183.91.70.7//repository/watch-videos-for-robux_GM431946152.pdfIn PDF document text
    • http://183.91.70.7/repository/coin-master-hack-tool-no-human-verification_GM406889139.pdfIn PDF document text
    • http://183.91.70.7//repository/how-can-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://183.91.70.7//repository/minecraft-free_GM479516143.pdfIn PDF document text
    • http://183.91.70.7/repository/rblx-city-free-robux_GM431946152.pdfIn PDF document text
    • http://183.91.70.7/repository/pubg-uc-kodu-yazma_GM1330123889.pdfIn PDF document text
    • http://183.91.70.7//repository/coin-master-codes_GM406889139.pdfIn PDF document text
    • http://183.91.70.7//repository/coin-master-rare-cards-hack_GM406889139.pdfIn PDF document text
    • http://183.91.70.7/repository/how-to-get-free-roblox-premium_GM431946152.pdfIn PDF document text
    • http://183.91.70.7/repository/roblox-free-hair-codes_GM431946152.pdfIn PDF document text
    • http://183.91.70.7//repository/roblox-hack-codes_GM431946152.pdfIn PDF document text
    • http://183.91.70.7//repository/hack-coin-master-apk-32-download_GM406889139.pdfIn PDF document text
    • http://183.91.70.7//repository/roblox-redeem-robux_GM431946152.pdfIn PDF document text
    • http://183.91.70.7//repository/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://183.91.70.7//repository/minecraft-free-minecraft_GM479516143.pdfIn PDF document text
    • http://183.91.70.7/repository/how-to-get-free-robux-without-surveys_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_off00003193.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3193 22140 bytes
SHA-256: be49f818b289abf90e2f032004e714654709f8e454d236045e15e94ecb76cda6
font_01_sfnt_off00006235.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6235 18732 bytes
SHA-256: 3ac75ef97daccb8031c4699bb66bbcd8083c0bd9fa73e8cf0728fdae55550a57

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