Malicious PDF — malware analysis report

Static analysis result for SHA-256 e24f38f58fce61d0…

MALICIOUS

PDF

34.3 KB Created: 2021-06-18 22:01:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-24
MD5: e054f8ee3257cded46ff0efa14789063 SHA-1: 0bb6012572c4383430ed33a6268cda034c10c1a6 SHA-256: e24f38f58fce61d08759b7800e91878fdc736dbdce491e2079f2a53ad2e58265
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to known malicious infrastructure, specifically advertising game hacks and exploits. The document body and extracted URLs suggest a lure for users seeking cheats or in-game currency, likely leading to malware download or credential harvesting. No scripts were extracted, but the PDF's structure and malicious links indicate a phishing or social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/zyrus-1.2-roblox-hack-exploit-game-hack In PDF document text
    • http://gts.edu.gh/library/repository/synapse-roblox-free_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/free-roblox-website_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/coin-master-hack-apk-latest-version-2021_GM406889139.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/roblox-free-hair-codes_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/how-to-get-free-roblox-gift-cards_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/how-to-get-free-skins-in-minecraft_GM479516143.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/coin-master-free-link_GM406889139.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/minecraft-redeem-code-free-2021_GM479516143.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/hacks-for-roblox-rocitizens_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/hack-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/coin-master-hack-no-root_GM406889139.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/robux-hacks-2021_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/apps-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/roblox-login-hack_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/free-robux-on-phone_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/daily-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/roblox-creepy-elevator-hack-script_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/roblox-free-tshirt-download_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_off00002d99.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D99 22076 bytes
SHA-256: f8dead006acf6349390c69ea8d06414465738d332a36dc56c076247de9d3b456
font_01_sfnt_off00005ea6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EA6 19764 bytes
SHA-256: 36f1c78210595ea98dbee90366cd40a40ea9a046ce511d5684d22dc353c2c3a0

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