Malicious PDF — malware analysis report

Static analysis result for SHA-256 6aad9fa2da105568…

MALICIOUS

PDF

47.7 KB Created: 2021-05-14 16:32:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 276fed76dbf816abd340b48ddea57df3 SHA-1: f2bca4b0abca7463bc7dde5dea14a912c3583637 SHA-256: 6aad9fa2da1055681edb9f538a3d803610b13555254bbc811193c83c92f88121
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to known malicious infrastructure, specifically promoting 'free Robux' scams. The document body and extracted URLs strongly suggest a phishing or scam attempt designed to trick users into visiting malicious sites. While no scripts were explicitly extracted, the PDF structure and malicious links indicate a high likelihood of a social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9013

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/huskybucks.com-free-robux-game-hack In PDF document text
    • https://www.maximabm.com/uploaded_files/userfiles/files/coin-hackhub-coin-master_GM406889139.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/how-to-get-free-robux-app_GM431946152.pdfIn PDF document text
    • https://www.maximabm.com/uploaded_files/userfiles/files/coin-master-35-2-hack_GM406889139.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.maximabm.com/uploaded_files/userfiles/files/spin-free-coin-master_GM406889139.pdfIn PDF document text
    • https://www.maximabm.com/uploaded_files/userfiles/files/robux-free-online_GM431946152.pdfIn PDF document text
    • https://www.maximabm.com/uploaded_files/userfiles/files/rbxfree-com-free-robux_GM431946152.pdfIn PDF document text
    • https://www.maximabm.com/uploaded_files/userfiles/files/moonactive-free-spins-link_GM406889139.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/minecraft-pocket-edition-download-free-pe-calculator_GM479516143.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/microsoft-store-robux_GM431946152.pdfIn PDF document text
    • https://www.maximabm.com/uploaded_files/userfiles/files/coin-master-mod_GM406889139.pdfIn PDF document text
    • https://www.maximabm.com/uploaded_files/userfiles/files/free-coin-master-spins_GM406889139.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/free-money-and-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://www.maximabm.com/uploaded_files/userfiles/files/hack-coin-master-1_GM406889139.pdfIn PDF document text
    • https://www.maximabm.com/uploaded_files/userfiles/files/how-to-get-free-roebucks-in-roblox_GM431946152.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/minecraft-for-ipad-free_GM479516143.pdfIn PDF document text
    • https://maximabm.com/uploaded_files/userfiles/files/free-robux-picture_GM431946152.pdfIn PDF document text
    • https://www.maximabm.com/uploaded_files/userfiles/files/free-attacks-coin-master_GM406889139.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a3c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A3C 28836 bytes
SHA-256: 09f7d4b76be0cfabc80342eb8aaeaf56ae1d56e4883c9eac4fa794dc025746cb
font_01_sfnt_off00008d48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D48 2880 bytes
SHA-256: 552e62132cae3603ce0819827e44d96a992bd06014cc5080bf3af4b2ea155b3e
font_02_sfnt_off00009721.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9721 18688 bytes
SHA-256: 6988f73f4b0746331af176c61d8a6d12afd54d9d4021c1ba8a7576897a1c52a2

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