Malicious PDF — malware analysis report

Static analysis result for SHA-256 392a2e8fb5ebe751…

MALICIOUS

PDF

39.6 KB Created: 2021-05-24 01:11:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 1a45a6a61e8816a924276c9b5e9d098f SHA-1: 036003b228097878e0d092f83293ef27e5fc8160 SHA-256: 392a2e8fb5ebe751eb1f7bdb9b7968ca5850eb03cf0d5fb6837c512f02b2786a
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a direct link to malicious redirector infrastructure, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body also contains a prominent call to action for a "Roblox Generator" and multiple embedded URLs, some of which are also suspicious. The ML classifier also flagged the document as malicious. The presence of these elements strongly suggests a phishing or scam attempt designed to lead users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

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.xyz/app/431946152/blox.pink-free-robux-game-hack In PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/free-texture-packs-for-minecraft-pe_GM479516143.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/free-spin-gratis-coin-master_GM406889139.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/coin-master-rewards_GM406889139.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/minecraft-pc-download-free-full-version_GM479516143.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/get-free-roblox_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_002_off0000309e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x309E 25844 bytes
SHA-256: c008d128a60c132e5929652f752d5b5db171e128034a3a20dedc173bfeadcef8
font_01_sfnt_off00006d13.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D13 3512 bytes
SHA-256: d2fbe445e4228ea2e3d75d3e8f0f84124f9dd8d3d0cf2c6e4e63bcca92f2519f
font_02_sfnt_off000078a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x78A6 18620 bytes
SHA-256: 20ad8a2126bb9f489cd4862944fdd8c1c01869fd803457c3ce1390bedb89f69f

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