Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e096071ef26c8fe…

MALICIOUS

PDF

47.2 KB Created: 2021-06-08 22:34:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: ef84bc9b4f9b509ab93b1f0c47b39a0b SHA-1: 89d4d6c021452d34cdeb267d927a8efb82f1a23f SHA-256: 2e096071ef26c8fe5ab33ebb48dc0a0dc43661d3da350624c9b86b919257511b
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, indicating an attempt to deliver a malicious payload or lead the user to a phishing site. The ML classifier also flagged the document as malicious. The presence of a visual download button further supports the lure-based attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9769

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 https://netcdn.tw/app/431946152/cookie-hack-roblox-player In PDF document text
    • http://stikespantirapih.ac.id/home/repository/free-robux-no-anti-bot-verification_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/robux-hack-free-robux_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/free-robux-no-verification-no-download-2021_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/pokemon-go-free-rare-candy_GM1094591345.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/minecraft-windows-10-code-free_GM479516143.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/coins-master_GM406889139.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/give-me-robux-now_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/free-hair-roblox-boy_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/robuxlove-net-free-robux_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/coin-master-free-spins-daily-link-game-mod_GM406889139.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/how-to-free-robux_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/girl-roblox-avatar_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/coin-master-free-spins-and-coins-today-gift-reward_GM406889139.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/robux-2021_GM431946152.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/instant-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/spin-links-for-coin-master_GM406889139.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/minecraft-free-download-ipad_GM479516143.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/coin-master-free-shield-link_GM406889139.pdfIn PDF document text
    • http://stikespantirapih.ac.id/home/repository/roblox-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005222.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5222 24176 bytes
SHA-256: c0545fd2f29877bd4e6dbb3ffccc72512f34bf1edb40b8df119a4515cb616397
font_01_sfnt_off00008976.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8976 2852 bytes
SHA-256: e9630f3bb738ae3bc329a423cf069c8035d70ce2227e3557c42815f85ad3284f
font_02_sfnt_off00009338.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9338 19016 bytes
SHA-256: b67ad7db08ef6ead0c956ccd493f15973c1aab90c6fb9a999d2c59d914862d09

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