Malicious PDF — malware analysis report

Static analysis result for SHA-256 00d9baba1ce0db24…

MALICIOUS

PDF

45.2 KB Created: 2021-05-31 17:40:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: d9a20048c7828256b2fbd075737838e5 SHA-1: 7c10821d9c20bafa98696893b81b0106fce8ba7b SHA-256: 00d9baba1ce0db24f5889432366d5802645ec90be6bb473ab42bda31127024dc
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to known malicious infrastructure, specifically promoting free Robux and game hacks. The ML classifier also flagged this PDF as malicious with high confidence. The document body and embedded URLs suggest a social engineering lure to trick users into visiting malicious sites, likely to download further malware or engage in credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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/free-robux-v3rmillion-site-v3rmillion.net-game-hack In PDF document text
    • https://acasm.org.au/wp-content/uploads/fsqm-files/minecraft-free-download-mac_GM479516143.pdfIn PDF document text
    • https://acasm.org.au/wp-content/uploads/fsqm-files/roblox-hack-download_GM431946152.pdfIn PDF document text
    • https://acasm.org.au/wp-content/uploads/fsqm-files/robux-gift-card-free_GM431946152.pdfIn PDF document text
    • https://acasm.org.au/wp-content/uploads/fsqm-files/free-robux-site_GM431946152.pdfIn PDF document text
    • https://acasm.org.au/wp-content/uploads/fsqm-files/roblox-hack_GM431946152.pdfIn PDF document text
    • https://acasm.org.au/wp-content/uploads/fsqm-files/minecraft-pe-free-ios_GM479516143.pdfIn PDF document text
    • https://acasm.org.au/wp-content/uploads/fsqm-files/coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://acasm.org.au/wp-content/uploads/fsqm-files/free-tiktok-hearts_GM835599320.pdfIn PDF document text
    • https://acasm.org.au/wp-content/uploads/fsqm-files/roblox-free-download-for-computer_GM431946152.pdfIn PDF document text
    • https://acasm.org.au/wp-content/uploads/fsqm-files/claim-free-robux_GM431946152.pdfIn PDF document text
    • https://acasm.org.au/wp-content/uploads/fsqm-files/minecraft-apk-free-download_GM479516143.pdfIn PDF document text
    • https://acasm.org.au/wp-content/uploads/fsqm-files/hacks-roblox_GM431946152.pdfIn PDF document text
    • https://acasm.org.au/wp-content/uploads/fsqm-files/roblox-20210-robux-cheat_GM431946152.pdfIn PDF document text
    • https://acasm.org.au/wp-content/uploads/fsqm-files/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
    • https://acasm.org.au/wp-content/uploads/fsqm-files/free-minecraft-java-account_GM479516143.pdfIn PDF document text
    • https://acasm.org.au/wp-content/uploads/fsqm-files/free-24-7-minecraft-server_GM479516143.pdfIn PDF document text
    • https://acasm.org.au/wp-content/uploads/fsqm-files/free-tiktok-followers_GM835599320.pdfIn PDF document text
    • https://acasm.org.au/wp-content/uploads/fsqm-files/minecraft-education-free_GM479516143.pdfIn PDF document text
    • https://acasm.org.au/wp-content/uploads/fsqm-files/google-roblox-catalog-free_GM431946152.pdfIn PDF document text
    • https://acasm.org.au/wp-content/uploads/fsqm-files/how-to-get-free-coins-on-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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005269.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5269 24992 bytes
SHA-256: 55abd93117cb0ce1838f55d1769aaa086c7d03f89311f52bb42bfe8407cd6f5e
font_01_sfnt_off00008c3b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C3B 18948 bytes
SHA-256: 51e23ece21a5db87a6816164d5f7b9d4648f2b45ca0bc50cf62599236be5306e

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