Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e664b377f0234c9…

MALICIOUS

PDF

35.3 KB Created: 2021-06-28 04:43:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 4764dffdf731641b3876df0d1fca6b72 SHA-1: 69d6a9e14d534d50cc75dcc19e5d1f3fd9219b1f SHA-256: 2e664b377f0234c9fc475345484f79f7d62ecf7db55e62c411cbe2c91d84ca20
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links and text that lure users with promises of free game items and hacks. The primary malicious link, http://netcdn.co/app/431946152/roblox.com-create-a-shirt-free-game-hack, is identified as a known malicious redirector. The document's structure and content strongly suggest a phishing or scam attempt designed to lead users to malicious infrastructure.

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/roblox.com-create-a-shirt-free-game-hack In PDF document text
    • https://www.elearning.madupurwogondo.sch.id/__statics/gudangsoal/files/free-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://www.elearning.madupurwogondo.sch.id/__statics/gudangsoal/files/free-robux-2021-hack_GM431946152.pdfIn PDF document text
    • https://www.elearning.madupurwogondo.sch.id/__statics/gudangsoal/files/roblox-free-robux-unlimited-robux-and-tix_GM431946152.pdfIn PDF document text
    • https://www.elearning.madupurwogondo.sch.id/__statics/gudangsoal/files/free-account-2021-roblox_GM431946152.pdfIn PDF document text
    • https://www.elearning.madupurwogondo.sch.id/__statics/gudangsoal/files/roblox-high-school-2-hack_GM431946152.pdfIn PDF document text
    • https://www.elearning.madupurwogondo.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-and-free-stuff-on-catilog_GM431946152.pdfIn PDF document text
    • https://www.elearning.madupurwogondo.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-promo-codes_GM431946152.pdfIn PDF document text
    • https://www.elearning.madupurwogondo.sch.id/__statics/gudangsoal/files/best-creators-on-roblox-with-free-cloths_GM431946152.pdfIn PDF document text
    • https://www.elearning.madupurwogondo.sch.id/__statics/gudangsoal/files/free-robux-codes-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.elearning.madupurwogondo.sch.id/__statics/gudangsoal/files/free-robux-no-games_GM431946152.pdfIn PDF document text
    • https://www.elearning.madupurwogondo.sch.id/__statics/gudangsoal/files/roblox-hack-me_GM431946152.pdfIn PDF document text
    • https://www.elearning.madupurwogondo.sch.id/__statics/gudangsoal/files/how-to-create-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • https://www.elearning.madupurwogondo.sch.id/__statics/gudangsoal/files/free-tiktok-fans_GM835599320.pdfIn PDF document text
    • https://www.elearning.madupurwogondo.sch.id/__statics/gudangsoal/files/free-robux-giveaway-january-2021-9_GM431946152.pdfIn PDF document text
    • https://www.elearning.madupurwogondo.sch.id/__statics/gudangsoal/files/how-to-download-minecraft-for-free-on-mac_GM479516143.pdfIn PDF document text
    • https://www.elearning.madupurwogondo.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-waiting-2021_GM431946152.pdfIn PDF document text
    • https://www.elearning.madupurwogondo.sch.id/__statics/gudangsoal/files/free-coin-master-game_GM406889139.pdfIn PDF document text
    • https://www.elearning.madupurwogondo.sch.id/__statics/gudangsoal/files/free-robux-exe_GM431946152.pdfIn PDF document text
    • https://www.elearning.madupurwogondo.sch.id/__statics/gudangsoal/files/rd-cash-free-robux_GM431946152.pdfIn PDF document text
    • https://www.elearning.madupurwogondo.sch.id/__statics/gudangsoal/files/how-to-get-robux-and-builders-club-for-free_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000032db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32DB 22220 bytes
SHA-256: 9169a247e12d0b1e4c03fdb4022371fb06e664c5d9c9b8e8a775345e80b08f3b
font_01_sfnt_off0000642b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x642B 19364 bytes
SHA-256: 5816401c88ec1e45f36162c92d94b0147ffc967efabc3fa43c2ae940abe5c3bc

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